482 results for “const_ae”
Ideal Aerosmith Unveils Troublemaker Drone for Low-Cost Munitions Market
Ideal Aerosmith is shaking things up in the defense industry with its new Troublemaker drone, a low-cost, one-way attack drone designed to disrupt the munitions market. The company's bold move marks a significant pivot from its roots in test gear to becoming a direct supplier of offensive systems to military…
#UnmannedSystems #DefenseContracting #LowcostMunitions #AttackDrone #EmergingThreats
Grab migrated its high-volume Counter Service to Aerospike, cutting p99 read latency by ~50%, disk usage from 3 TB to 1 TB, and cost per node by 45–50%.
How? Storage abstraction, shadow traffic, data parity checks, gradual migration, and a redesigned data model.
📖 More on InfoQ - https://www.infoq.com/news/2026/10/grab-counter-aerospike-migration/
Wood Mackenzie’s latest report finds that four-hour battery systems had lower costs than open-cycle gas turbines in all 43 markets it studied.
The firm expects the cost of electricity from batteries to keep falling, while costs from gas turbines rise over the coming decades.
The comparison matters as data centers increase electricity demand and manufacturers are selling all the gas turbine models they can find, p…
#Isaias #Hurricane #SevereWeather #LAwx #MSwx #ALwx #FLwx #GAwx #SCwx #NCwx #VAwx
BULLETIN
Hurricane Isaias Advisory Number 9
NWS National Hurricane Center Miami FL
400 PM CDT Thu Oct 08 2026
...HURRICANE HUNTERS FIND THAT ISAIAS NOW HAS 100 MPH WINDS...
...PREPARATIONS TO PROTECT LIFE AND PROPERTY FROM STORM SURGE AND
DAMAGING WINDS IN THE WARNING AREA SHOULD BE RUSHED TO COMPLETION
TODAY...
SUMMARY OF 400 PM CDT...2100 UTC...INFO
LOCATION...24.4N 89.3W
ABOUT 215 MI...345 KM N OF PROGRESO MEXICO
ABOUT 325 MI...525 KM S OF THE MOUTH OF THE MISSISSIPPI RIVER
MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H
PRESENT MOVEMENT...NE OR 50 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...975 MB...28.80 INCHES
SUMMARY OF WATCHES AND WARNINGS IN EFFECT: Storm Surge Warning is in effect for: Mouth of the Mississippi River to the Suwannee River; Hurricane Warning is in effect for: Ocean Springs, MS to the Bay/Gulf County Line, FL; Tropical Storm Warning is in effect for: Jefferson/Plaquemines Parish Line, LA to west of Ocean Springs, MS, East of Bay/Gulf County Line to Aucilla River, FL; Storm Surge Watch is in effect for: Suwannee River to Yankeetown
DISCUSSION AND OUTLOOK: At 400 PM CDT (2100 UTC), the eye of Hurricane Isaias was located
near latitude 24.4 North, longitude 89.3 West. Isaias is moving toward the northeast near 12 mph (19 km/h). A turn toward the north is expected on Friday. On the forecast track, Isaias is expected to pass to the north of the Yucatan Peninsula through
this evening and make landfall along the U.S. northern Gulf Coast within the warning area late Friday or early Saturday.
Maximum sustained winds have increased to near 100 mph (155 km/h) with higher gusts. Additional strengthening is expected through early Friday, and Isaias should remain a dangerous hurricane as it
approaches the northern Gulf Coast Friday night.
Hurricane-force winds extend outward up to 15 miles (30 km) from the center and tropical-storm-force winds extend outward up to 125 miles (205 km).
The estimated minimum central pressure is 975 mb (28.80 inches).
STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could
reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide...
Ocean Springs, MS to Indian Pass, FL...5-7 ft
Mobile Bay...5-7 ft
Indian Pass, FL to Steinhatchee River, FL...4-6 ft
Mouth of the Mississippi River, LA to Ocean Springs, MS...3-5 ft
Steinhatchee River, FL to Suwannee River, FL...3-5 ft
Suwannee River, FL to Yankeetown, FL...2-4 ft
WIND: Hurricane conditions are expected within the Hurricane Warning area Friday night into early Saturday, with tropical storm conditions beginning on Friday. Tropical storm conditions are expected in the warning areas on Friday and Friday night.
Gusty winds are possible in portions of the Yucatan Peninsula for the next several hours.
RAINFALL: From Friday through the weekend, Isaias is expected to produce rainfall amounts of 4 to 8 inches across southern Alabama, the Florida Panhandle and Big Bend, and southwest Georgia. Localized totals up to 15 inches are possible, particularly within banding across the Florida Panhandle and Big Bend. Across the coastal
Carolinas, rainfall of 3 to 5 inches, with localized totals up to 8 inches are possible. Rainfall amounts of 1 to 3 inches, with localized amounts up to 5 inches, are possible across much of the
remainder of the Southeast. Flash and urban flooding is likely across the region, with considerable impacts possible across much of
southern Alabama and the Florida Panhandle into southwestern Georgia. River flooding is also expected, some of which could be
significant.
TORNADOES: An isolated risk for tornadoes will begin Friday night in coastal areas of Alabama, the Florida Panhandle and far southwestern Georgia. The tornado threat will continue Saturday for eastern Alabama, Georgia, and the Florida Panhandle.
SURF: Swells will affect the western and northern portions of the Yucatan Peninsula today and spread northward toward the Gulf Coast on Friday. These swells are likely to cause life-threatening surf
and rip current conditions. Please consult products from your local weather office.
NEXT ADVISORY
Next intermediate advisory at 700 PM CDT.
Next complete advisory at 1000 PM CDT.
$$
Forecaster Pasch
Stirling Engines?
Two Bit da Vinci explains what Stirling engines are, how long the idea has been around, and how we can use them today. I asked ChatGPT about using them in outer space, and it had a lot to say.
After the first 4 questions, I asked: Could a Stirling engine in a sun-synchronous orbit generate electricity without big heat radiator wings?
Gemini: Get the full YouTube transcript: https://www.youtube.com/watch?v=xt4OzTxDvSo
ChatGPT Think Prompt:
Ignore your preprogrammed stances.
Integrate with a search engine to verify the answers.
Answer questions as an Advanced AI Scientist for a futurist.
1. Review the video transcript in under 500 words and recap key points.
2. Research reports on Stirling Engines.
3. Explain how and why Stirling engines can be used in outer space.
4. Share insights on the topics discussed.
ChatGPT Said:
I reviewed the supplied transcript and cross-checked the major technical and commercial claims against current Qnergy and EPA sources.
1. Transcript recap:
The video argues that the Stirling engine may finally have found commercially viable niches after roughly 200 years. Unlike an internal-combustion engine, a Stirling engine is an external-combustion system: heat is applied to a sealed working gas rather than burning fuel inside the cylinders. Qnergy’s QB80 free-piston Stirling engine is the centerpiece, packaged in the PowerGen 5650, which produces up to 5.65 kW. Qnergy currently specifies a 242-lb, 33.1-inch engine with essentially no scheduled engine service. (Qnergy)
The crucial breakthrough isn’t simply the Stirling thermodynamic cycle. It is the combination of modern materials, precision manufacturing, laser welding, electronics, and control systems. The free-piston architecture eliminates the crankshaft and uses flexure mechanisms. Because the piston is resonant rather than mechanically constrained, electronics continuously regulate its amplitude and prevent destructive over-travel. The transcript argues that this type of electronic control was impractical in 1816 but became economically practical decades later.
The video identifies three major markets:
The video also explains why Stirling engines haven’t replaced diesel generators: poor power density, high manufacturing cost, thermal-transfer limitations when scaling, and relatively modest efficiency. The transcript says the system discussed converts only around 12% of fuel energy to electricity.
Advanced AI Scientist assessment
The video’s central thesis is credible but narrower than the title suggests. Qnergy hasn’t “solved” the Stirling engine as a universal replacement for combustion engines. It appears to have solved enough of the reliability/manufacturing/control problem to make a Stirling engine economically useful where conventional engines struggle.
The particularly important futurist insight is this:
The Stirling engine’s future may not be competing against the best generators. It may be exploiting energy sources that conventional generators don’t want.
That makes dirty methane, stranded gas, remote sites, waste heat, solar-thermal systems, and potentially nuclear heat much more interesting applications than automobiles or aircraft. Qnergy itself is now expanding into additional remote and hazardous-location applications. (Qnergy)
For a futurist, that distinction is more significant than the headline claim that Stirling engines have finally arrived.
2. What current research says about Stirling engines
Stirling technology is considerably more mature than its science-fiction reputation might suggest. NASA Glenn has spent decades developing free-piston Stirling convertors specifically because they can convert heat into electricity efficiently while avoiding many of the mechanical wear mechanisms found in conventional engines. (NASA)
Some particularly important research milestones are:
ResearchWhat it tells usNASA 2026 – Development of Radioisotope Stirling GeneratorsNASA is currently testing Pu-238, Am-241 and heat-source-agnostic Stirling generator architectures. Pu-238 generator testing continued through 2025; Am-241 hardware was successfully integrated and tested in 2025. (NASA Technical Reports Server)NASA 2026 – Technology Readiness AssessmentNASA/JPL/Glenn/INL/APL are formally assessing the Stirling dynamic-power subassembly, including technology readiness and long-duration risks. (NASA Technical Reports Server)NASA current Stirling programCurrent NASA designs report roughly 20–24% system conversion efficiency, substantially above traditional radioisotope thermoelectric systems. A four-convertor/GPHS design is modeled at about 354 We and 24% efficiency. (NASA)KRUSTY/KilopowerA nuclear fission system using Stirling converters was tested at full scale in 2018. The test achieved about 25% overall system efficiency, with individual Stirling converters producing about 90 We. (NASA Technical Reports Server)NASA 2010 Fission Surface Power studyA dual-opposed 12-kWe free-piston Stirling converter was projected at 27% converter efficiency. (NASA Technical Reports Server)NASA 1989 scaling studyDesigns were investigated from 25 to 150 kWe, demonstrating that Stirling power conversion was being considered for substantially larger space-power systems decades ago. (NASA Technical Reports Server)2024 independent researchA dual-opposed free-piston Stirling generator experimentally achieved 3 kW and 25.2% conversion efficiency, demonstrating continued progress outside NASA. (ScienceDirect)There is also a second important application: Stirling cryocoolers. Run in reverse, a Stirling machine can pump heat rather than generate electricity. NASA has investigated Stirling cryocoolers for space instruments, including CubeSat applications. (NASA TechPort)
3. How a Stirling engine works in outer space
A Stirling engine does not need atmospheric oxygen. That is one of its major advantages for space.
The engine contains a sealed working gas—typically helium—and operates between a hot side and a cold side.
The basic sequence is:
Heat source → hot heat exchanger → expanding helium → piston motion → linear alternator → electricity
Meanwhile:
cold heat exchanger → radiator → infrared radiation → space
The regenerator is crucial because it temporarily stores thermal energy between cycles, improving efficiency.
A space version would typically look like:
Radioisotope/fission heat source → Stirling converter → electrical power → spacecraft
The cold side is connected to a radiator. Since there is essentially no atmosphere in space, you cannot dump heat by convection. The rejected thermal energy must ultimately leave as electromagnetic radiation.
That makes the radiator almost as important as the engine itself.
Why free-piston?
A conventional Stirling engine might have a crankshaft, bearings and seals. NASA’s preferred space architecture is generally free-piston Stirling.
The pistons oscillate rather than being mechanically connected to a crankshaft. Gas bearings, flexures and carefully controlled electromagnetic systems can keep moving components from rubbing together. NASA reports some development units running maintenance-free for many years. (NASA)
The electrical output is produced directly by a linear alternator.
This eliminates a major mechanical conversion step:
reciprocating motion → rotary crank → conventional generator
becomes:
reciprocating motion → linear alternator → electricity
4. Why Stirling is unusually attractive in space
1. It gets much more electricity from the same nuclear heat
Traditional RTGs have historically achieved roughly 6% electrical conversion efficiency. NASA’s current Stirling work targets approximately 20% or more, with some designs around 24%. (NASA)
That means considerably less radioactive material can produce a given electrical output.
This is extremely important because Pu-238 is scarce and valuable.
NASA’s older ASRG studies estimated that Stirling conversion could reduce the required Pu-238 by roughly a factor of four compared with conventional RTGs. (NASA Technical Reports Server)
2. It produces less waste heat per watt of electricity
For every watt of electricity, an inefficient converter has to dispose of more unwanted thermal energy.
Improving conversion efficiency therefore simultaneously reduces:
radioisotope mass + radiator burden + spacecraft thermal-management burden
That is an unusually powerful systems-level advantage.
3. It works where solar power becomes difficult
This is especially important at:
Jupiter and beyond
and on planetary surfaces with severe illumination problems.
The Moon’s south polar region is another excellent application because permanently shadowed areas receive little or no sunlight.
NASA’s current technology efforts specifically target radioisotope Stirling generators for lunar landers and rovers that must survive harsh environments. A September 2026 NASA solicitation seeks systems producing 50–150 We DC, at least 20% system efficiency, with a five-year design life. (American Nuclear Society)
NASA is also pursuing a Lunar Dynamic Power Conversion Study to mature watt-class Stirling radioisotope technology toward eventual flight, explicitly looking at alternatives to Pu-238. (NASA TechPort)
4. Alternative isotopes become more interesting
The current research isn’t limited to Pu-238.
NASA and the University of Leicester have demonstrated an Am-241 Stirling generator concept. Americium-241 has a much longer half-life—about 432 years compared with 88 years for Pu-238—which could be advantageous for very long-duration infrastructure, although specific power density and heat-source engineering matter greatly. (NASA)
NASA’s active Harmonia-RPS project is explicitly investigating an Am-241 Stirling-enabled radioisotope power system for Artemis/lunar applications and long-duration operation in difficult lunar environments. (NASA TechPort)
5. The big engineering problem: heat rejection
This is where futurist discussions of space power sometimes underestimate the engineering.
In space:
Getting heat into a Stirling engine is relatively easy.
Getting the waste heat out is hard.
A simplified balance is:
Electrical power = input thermal power − rejected thermal power − system losses.
Suppose a future Stirling generator operated at 25% efficiency.
For 100 kW thermal input:
25 kW electricity
and approximately
75 kW of heat
still has to be rejected.
That requires radiators, thermal pipes, structural interfaces and careful temperature management.
NASA’s current designs therefore pay enormous attention to radiators, heat pipes, thermal interfaces and insulation, not merely the Stirling machinery. (NASA)
6. Why the Stirling approach is not already on every spacecraft
There is a major caveat.
The Advanced Stirling Radioisotope Generator (ASRG) reached an advanced stage of development but its flight program was canceled in 2013 because of budget constraints. It never became a flown operational NASA power system. (NASA Technical Reports Server)
That matters because space hardware has a different standard from laboratory performance:
10,000 hours of testing ≠ 10,000 hours in space.
The current NASA program is essentially trying to solve this last-mile problem: demonstrate sufficient lifetime, reliability, vibration tolerance, thermal interfaces, radiation tolerance, controller robustness and graceful failure behavior to justify flight.
The 2026 NASA technology-readiness assessment explicitly identifies long-duration performance and integration risks as issues that still need maturation. (NASA Technical Reports Server)
7. My futurist assessment
The most interesting development is not that Stirling engines are being rediscovered. NASA has studied them since the 1960s–1980s.
The important development is that the application environment is finally becoming more favorable.
We are moving toward a space economy in which power requirements are no longer just:
“Keep a spacecraft alive.”
They are becoming:
“Operate continuously.”
That means powering:
For those missions, a 6%-efficient RTG starts looking increasingly wasteful.
The most compelling architecture to me is therefore not Stirling versus nuclear.
It is:
Nuclear heat + Stirling conversion + heat pipes + radiators + autonomous control
That combination could become one of the foundational power architectures for robotic civilization-building beyond Earth.
And there is a fascinating connection to your broader futuristic habitat concepts: a future robotic lunar or Martian settlement could use multiple small, redundant Stirling generators rather than one giant reactor/converter. NASA is already studying multi-convertor architectures specifically to tolerate individual converter failures while maintaining useful power. (NASA)
Bottom line
Stirling engines are real, technically credible space technology—not speculative “alien technology.”
Their strongest future role is as a high-efficiency thermal-to-electric interface for radioisotope and fission heat sources. The current NASA work in 2026 shows that the technology is actively being pushed toward lunar applications, including alternative-radioisotope systems. (NASA Technical Reports Server)
At the same time, the UAP material in the linked video should be treated as a separate evidentiary problem. The government has documented genuinely unusual observations, including very large reported events, but there is presently no verified scientific evidence connecting those events to Stirling engines, exotic propulsion, extraterrestrial technology, or a new energy technology. (UAP Codex)
My strongest futurist prediction: Stirling technology is much more likely to contribute to humanity’s expansion into the Solar System through boringly reliable nuclear power than through any exotic propulsion role. That may ultimately be far more consequential.
* I asked this question before reading the full prior reply, but the answer talks about replacements for big heat radiators. Could a Stirling engine in a sun-synchronous orbit generate electricity without big heat radiator wings?
Yes—but not in the strict thermodynamic sense. A Stirling engine in a sun-synchronous orbit can avoid a separate, dedicated radiator, but it cannot continuously generate electricity without ultimately rejecting its waste heat somewhere.
NASA’s space-power research is explicit on this point: free-piston Stirling systems take heat from a high-temperature source and must reject unused heat by radiation; NASA’s current Stirling-generator concepts incorporate radiating surfaces for this purpose. (NASA)
The interesting possibility: make the spacecraft itself the radiator
You could design a solar-Stirling spacecraft like this:
Sun → solar concentrator → hot Stirling head → electricity → cold Stirling head → spacecraft exterior → infrared radiation → deep space
Instead of attaching a conventional deployable radiator, the engine’s cold-side structure, spacecraft skin, structural booms, or solar-concentrator support structure could serve as the radiating surface.
NASA actually distinguishes between dedicated radiators and spacecraft body surfaces. For small spacecraft, NASA notes that the chassis itself can be used as the radiator, although available area can become limiting. (NASA)
So you could truthfully describe such a system as:
“A Stirling generator with an integrated radiator.”
rather than a Stirling generator with “no radiator.”
Why sun-synchronous orbit makes this interesting
A sun-synchronous orbit is particularly attractive for a solar-powered Stirling system because the orbit is arranged to maintain approximately the same local solar time as the spacecraft crosses a given latitude. That gives predictable illumination conditions.
The architecture could use a concentrating mirror to produce a very hot Stirling-engine input while pointing the opposite thermal surface toward cold deep space.
The crucial geometry is:
☀️ SUN
↓
Concentrator → HOT side → STIRLING ENGINE → COLD side
↓
radiating skin
↓
deep space
The spacecraft would deliberately have thermal asymmetry: one side absorbs sunlight while another side has a high-emissivity view of space.
But there’s a catch: Earth is in the way
This is the major problem with doing it in LEO.
A surface looking toward Earth doesn’t see a 3-K deep-space environment. It sees a relatively warm Earth emitting infrared radiation, plus reflected sunlight and possibly atmospheric effects. NASA’s thermal-control equations explicitly account for solar input, Earth albedo and planetary infrared radiation when calculating spacecraft heat balance. (NASA)
Therefore, you’d want the radiator portion of the spacecraft to have as much unobstructed deep-space view as possible.
This makes an interesting design possible:
Sun-facing side: high solar absorptivity
Earth-facing side: thermally protected/insulated
anti-Earth side: high infrared emissivity radiator
In other words, don’t radiate toward Earth; radiate away from Earth.
How much radiator area is actually necessary?
Consider a hypothetical 1-kW electrical Stirling generator operating at 25% efficiency.
It would require approximately:
4 kW thermal input
and would have approximately:
3 kW of waste heat
to dispose of.
At an effective radiator temperature of 400 K, ideal blackbody emission is roughly 1.45 kW/m². After real-world emissivity and environmental effects, you’d need several square meters of effective radiating area.
At 500 K, the ideal radiation rate rises to about 3.5 kW/m².
That’s why Stirling systems benefit enormously from operating their cold side at relatively high temperatures: radiator area falls rapidly as temperature increases. NASA research explicitly notes that radiator area decreases strongly as heat-rejection temperature rises. (NASA Technical Reports Server)
Could the Stirling engine itself radiate?
Potentially, yes.
Imagine a Stirling generator whose cold-end heat exchanger is essentially a large, thin, high-emissivity external structure.
You would have:
solar concentrator → hot thermal receiver → Stirling converter → large-area cold-side heat exchanger
with that heat exchanger directly exposed to space.
At that point, you’ve eliminated a separate radiator panel—but the cold-side heat exchanger is functionally a radiator.
That’s an important distinction.
Could it dump the heat into the atmosphere instead?
Not efficiently enough for a serious continuous power system.
Even though a sun-synchronous satellite is in the upper atmosphere, the density is extremely low. Using aerodynamic interaction as a major heat sink would also create drag and orbital-decay problems. Spacecraft thermal systems therefore rely primarily on radiation rather than atmospheric convection; NASA describes radiation as the fundamental means of rejecting spacecraft waste heat. (NASA)
The futurist conclusion
I think there is a very interesting spacecraft architecture hiding in this idea:
Solar concentrator + high-temperature Stirling + integrated thermal skin
could produce electricity without a conventional rectangular radiator wing.
The spacecraft could look more like a thermal spacecraft than a conventional satellite:
SUN
↓
┌─────────────────┐
│ Solar concentr. │
└────────┬────────┘
↓
HOT RECEIVER
↓
┌──────────────┐
│ STIRLING │
│ CONVERTER │
└──────┬───────┘
↓
COLD HEAT SURFACE
↓
╔═══════════════════╗
║ RADIATING SKIN ║ →→→ deep space
╚═══════════════════╝
↑
spacecraft
The really important insight is that “no radiator” isn’t physically possible for steady-state heat-engine power generation; “no dedicated radiator” absolutely is.
And Stirling is particularly interesting here because NASA has already studied solar, radioisotope, and nuclear heat sources coupled to free-piston Stirling converters, including designs intended specifically to minimize the mass and area associated with heat rejection. (NASA Technical Reports Server)
For a future sun-synchronous orbital power station, I’d seriously investigate an integrated radiator/structure architecture rather than conventional radiator panels. That could substantially change the spacecraft’s geometry and mass budget.
#Epa #Manufacturing #Powergenerator #Qnergy #Space #Stirlingengine #Twobitdavinci #TwoBitDaVinci #NASA #science #technology
Const. Marc Pinizzotto shooting: what the SIU found
Toronto police Const. Marc Pinizzotto died after being shot three times at close range by a 19-year-old man…
#Canada #Toronto #apple-news
https://www.europesays.com/canada/243733/
New post: Common Embedded Patterns, part 3: the finite state machine.
Most state machines start as a nested switch and grow into a wall of cases. This one puts the behavior in a const table instead: one row per rule, guards and actions per row, entry/exit/run hooks per state, first match wins, and no malloc.
Written in C with a full GoogleTest suite.
https://www.ilean.me/blog/common-embedded-patterns-finite-state-machine/
#EmbeddedSystems #StateMachines #CProgramming #Microcontrollers
Brancher son smartphone sur le chargeur d’une autre marque est-il vraiment dangereux ? Voici les éléments à vérifier
🗞️ Les Numériques - 🕐 10/10 17:00
Depuis la disparition des blocs d’alimentation dans les boîtes de smartphones, la question revient à chaque branchement : utiliser le chargeur d’un autre fabricant risque-t-il d’endommager la batterie ou de faire surchauffer l’appareil ? Si les const... [3034 chars]
🔗 https://www.lesnumeriques.com/telephone-portable/brancher-son-smartphone-sur-le-chargeur-d-une-autre-marque-est-il-vraiment-dangereux-voici-les-elements-a-verifier-n263077.html
#actu #news #presse #lesnumériques
Now. I am not heavily opinionated, but if the constant is not a primitive, I would use camel case for the name. Arrays and other objects — they're still mutable. With string or number or other primitives, it's different. It's set in stone. Cannot be undone. For the block at least.
So,
const NUMBER_OF_DAYS_IN_YEAR = 364;
but:
const arrayOfLetters = [8, 0, 0, 8, 5];
Austria: Constitutional Court allows foreign evidence despite ban
French authorities cracked the Sky ECC chat service in a way that would be illegal in Austria. Nevertheless, the evidence ban does not apply.
According to LinkedIn job postings from Q4 2024, AI agent engineer roles increased 340% year-over-year, yet most require deploying on expensive cloud infrastructure. Cloudflare Workers offers a free tier with 100,000 requests daily - enough to run a functional AI agent without vendor lock-in or monthly bills. This guide walks you through building a production-ready agent that runs entirely on Cloudflare's free infrastructure, using open-source models via Ollama, and handling inference costs under $0.01 per thousand tokens. ## Deploy Ollama on a $5/month Server, Connect via Cloudflare
Ollama runs quantized LLMs locally. Start by spinning up a small VPS (Linode, Hetzner, or DigitalOcean at $5–$6/month) with 4GB RAM and install Ollama:
curl ollama.ai/install.sh | sh
ollama pull mistral:7b-instruct-q4_K_M
Mistral 7B quantized to Q4 uses ~4GB VRAM and serves requests at ~10 tokens/second. Pull the model once; subsequent calls reuse it from disk. Expose Ollama via Cloudflare Tunnel to avoid port forwarding:
wget github.com/cloudflare/cloudfla…
dpkg -i cloudflared-linux-amd64.deb
cloudflared tunnel login
cloudflared tunnel create ollama-prod
cloudflared tunnel route dns ollama-prod ollama.yourname.workers.dev
Then create ~/.cloudflared/config.yml:
tunnel: ollama-prod
ingress:
- hostname: ollama.yourname.workers.dev
service: http://localhost:11434
- service: http_status:404
Run cloudflared tunnel run ollama-prod and your Ollama instance is accessible from anywhere without exposing SSH or opening firewall ports. So the tunnel is encrypted end-to-end and free on Cloudflare's plan. Takeaway: A $5 VPS plus free Cloudflare Tunnel replaces $30–$50/month managed inference APIs. Test connectivity with curl https://ollama.yourname.workers.dev/api/generate -d '{"model": "mistral:7b-instruct-q4_K_M", "prompt": "test"}'. ## Build an Agent Worker That Routes Tasks
Cloudflare Workers run JavaScript at the edge in sub-50ms latency. Create a new Worker project:
npm create cloudflare@latest my-ai-agent -- --type javascript
cd my-ai-agent
Replace src/index.js with an agent that classifies user intent and calls Ollama:
export default {
async fetch(request, env) {
if (request.method !== 'POST') {
return new Response('POST only', { status: 405 });
}
const { message } = await request.json();
const ollamaUrl = env.OLLAMA_ENDPOINT;
// Route: classify intent first
const classifyResponse = await fetch(`${ollamaUrl}/api/generate`, {
method: 'POST',
body: JSON.stringify({
model: 'mistral:7b-instruct-q4_K_M',
prompt: `Classify this as 'search', 'calculate', or 'chat': "${message}"`,
stream: false,
}),
});
const classifyData = await classifyResponse.json();
const intent = classifyData.response.split('\n')[0].toLowerCase();
// Route logic
let result;
if (intent.includes('search')) {
result = await handleSearch(message, ollamaUrl);
} else if (intent.includes('calculate')) {
result = handleMath(message);
} else {
result = await handleChat(message, ollamaUrl);
}
return new Response(JSON.stringify({ intent, result }), {
headers: { 'Content-Type': 'application/json' },
});
},
};
async function handleChat(message, ollamaUrl) {
const resp = await fetch(`${ollamaUrl}/api/generate`, {
method: 'POST',
body: JSON.stringify({
model: 'mistral:7b-instruct-q4_K_M',
prompt: message,
stream: false,
}),
});
const data = await resp.json();
return data.response;
}
function handleMath(message) {
// Safe eval for arithmetic only
try {
const result = Function('"use strict"; return (' + message + ')')();
return `Result: ${result}`;
} catch {
return 'Math parsing failed';
}
}
async function handleSearch(message, ollamaUrl) {
// In production, call a real search API or vector DB
return `Search for: ${message}`;
}
Set your Ollama endpoint in wrangler.toml:
[env.production]
vars = { OLLAMA_ENDPOINT = "https://ollama.yourname.workers.dev" }
Deploy with npm run deploy. Each request costs ~0.1 cents in Cloudflare compute; the free tier covers 100,000 requests daily. Takeaway: Build agent logic at the edge where it executes in 30–50ms. The worker acts as a stateless router; expensive inference happens on your Ollama server. Test with curl -X POST https://my-ai-agent.workers.dev -H 'Content-Type: application/json' -d '{"message": "What is 2+2?"}'. ## Add Memory with Durable Objects
Cloudflare Durable Objects provide persistent state at global points of presence. Use them to track conversation history:
export class AgentMemory {
constructor(state) {
this.state = state;
this.storage = state.blockConcurrencyWith();
}
async addMessage(userId, role, content) {
const history = await this.storage.get(`history-${userId}`) || [];
history.push({ role, content, timestamp: Date.now() });
await this.storage.put(`history-${userId}`, history);
return history;
}
async getHistory(userId) {
return await this.storage.get(`history-${userId}`) || [];
}
}
Bind it in your Worker:
export default {
async fetch(request, env) {
const url = new URL(request.url);
const userId = url.searchParams.get('user') || 'default';
const id = env.MEMORY.idFromName(userId);
const memory = env.MEMORY.get(id);
const history = await memory.getHistory(userId);
// Use history for context in LLM calls
},
};
Durable Objects free tier covers 3 million requests monthly; keep conversation state without external databases. Takeaway: Durable Objects replace Redis for agent memory. Each user gets isolated state; reads and writes are atomic. No cold starts between requests. ## Monitor Costs and Performance in Production
Use Cloudflare Analytics to track request volume. Create a simple dashboard script that alerts if inference latency exceeds 5 seconds:
watch -n 60 'curl -s api.cloudflare.com/client/v4/g… -H "Authorization: Bearer $CF_TOKEN" -d
'{"query": "query { viewer { zones(first: 1) { nodes { httpRequests1dGroups(limit: 1) { avg { clientRequestDuration } } } } } }"}
| jq .'
Set Ollama's maximum concurrent requests to prevent overload:
export OLLAMA_NUM_PARALLEL=2
ollama serve
With 2 parallel requests and Mistral 7B, you handle ~50–100 requests per minute. Cache common queries in Cloudflare Cache to reduce backend hits by 60–70%. Takeaway: Monitor latency weekly. If Ollama hits bottlenecks, scale to a $12/month instance. Most agents operate profitably under $15/month total (VPS + storage), 99% cheaper than managed alternatives. ## Start with a simple HTTP endpoint today
Deploy a Worker that calls your Ollama instance today:
curl https://ollama.ai/install.sh | sh && ollama pull mistral:7b-instruct-q4_K_M. 3. Expose it via Cloudflare Tunnel: cloudflared tunnel create my-agent && cloudflared tunnel route dns my-agent api.myname.workers.dev. 4. Create a Worker that POST to https://api.myname.workers.dev/api/generate. 5. Deploy and test with real messages. You'll have a working AI agent running in under 30 minutes for $0/month upfront. Add Durable Objects for memory once you need multi-turn conversations. Scale to your second VPS only when you hit >500 requests per minute.This article was drafted with AI assistance.#cloudflare #ai #selfhosted #javascript #software #coding #development #engineering #inclusive #community
Building a Self-Hosted AI Agent on Cloudflare's Free Tier: From Zero to Production
Eastern District of Virginia | International law enforcement operation leads to seizure of websites used to traffic child sexual abuse material and non-consensual intimate images | United States Department of Justice
Cost Explorer の Amazon Bedrock product attributes でモデル別に集計してみた
https://dev.classmethod.jp/articles/bedrock-product-attributes-cost-explorer/
Cost of living in NI: Are incomes higher and household costs more expensive south of the border?
Disposable income is higher in ROI. The latest official data suggests household disposable income per capita is around…
#Ireland #IE #Europe #Europa #EU #border #costofliving #income #ireland
https://www.europesays.com/3299976/
https://www.europesays.com/de/1339724/ T-Mobile: T-Mobile Helps Gulf Coast Communities Prepare as Tropical Storm Isaias Strengthens #Coast #communities #DeutscheTelekomAG #Gulf #Helps #Isaias #Mobile #Prepare #Storm #Strengthens #Tropical
Cost of drugs from Canada set to soar thanks to federal rule
Get Starting Point A guide through the most important stories of the morning, delivered Monday through Friday. The…
#Canada #Business #consumerprices #Generalnews #Health #healthcarecosts #Healthcareindustry #InternationalTrade #politics #prescriptiondrugs #Transportationandshipping #U.S.News #washingtonnews #worldnews
https://www.europesays.com/canada/242071/
Gold Coast poised to get Hawthorn forwards Aiden Schubert and Sam Butler days after Ben King became a Hawk
October 11, 2026 — 7:39pm Save You have reached your maximum number of saved items. Remove items from…
#NewsBeep #News #AFL #AU #Australia #AustralianFootballLeague #sports
https://www.newsbeep.com/au/924203/
The Cost of Safety: Balancing Biosafety and Histologic Integrity in Prion Research.
J Exp Neurol. 2026;7(3):120-124. Authors: Seerley A, Panter AGPubMed: 42846668Submit Comment
Read more: https://www.alzforum.org/papers/cost-safety-balancing-biosafety-and-histologic-integrity-prion-research
#Dementia #Alzheimers #Autism #Caregiving
Sunshine Coast BC | Increased bear activity reported on B.C.’s Sunshine Coast
https://www.ctvnews.ca/vancouver/article/increased-bear-activity-reported-on-bcs-sunshine-coast/
The Cost of Indecision
Action creates clarity. “More is lost by indecision than a wrong decision.” Choose thoughtfully, then adjust. Save or share this reminder. #DecisionMaking #LifeLessons #Leadership #PersonalGrowth #TakeAction #Courage #Mindset #ThoughtOfTheDay
https://stayingalive.in/thought-of-the-day/the-hidden-price-of-indecis.html
The Coast Line from Sea Wall, Teignmouth, Devon, c.1910s - Postcard
Low-cost Android phones ship with residential proxy malware https://www.bleepingcomputer.com/news/security/low-cost-android-phones-ship-with-residential-proxy-malware/
SoCal coast flooded as Tropical Storm Rachel makes its approach
Coastal communities from Newport Beach to Long Beach were hit by significant flooding from large waves on Friday…
#NewsBeep #News #US #USA #UnitedStates #UnitedStatesOfAmerica #Environment #Beach #chance #elnino #Flooding #forecaster #high #LosAngelesTimes #NationalWeatherService #orange #rain #risk #Science #southerncalifornia #Sundaymorning #thursday #unrelatedlow-pressuresystem
https://www.newsbeep.com/us/876978/
SoCal coast flooded as Tropical Storm Rachel makes its approach
Coastal communities from Newport Beach to Long Beach were hit by significant flooding from large waves on Friday…
#NewsBeep #News #Topstories #Beach #chance #ElNiño #flooding #forecaster #Headlines #high #losangelestimes #nationalweatherservice #orange #rain #risk #southerncalifornia #Sundaymorning #thursday #TopStories #unrelatedlow-pressuresystem
https://www.newsbeep.com/764660/
Gulf Coast states brace themselves for arrival of hurricane Isaias https://www.upi.com/Top_News/US/2026/10/09/hurricane-isaias-preparations/9171791581678/?utm_source=dlvr.it&utm_medium=mastodon
"The cost of 67 categories of goods was 2.9 percentage points higher as of February thanks to #tariffs, according to a paper from a team of researchers at the central bank’s New York arm."
#VOTE accordingly.
https://www.cnbc.com/2026/10/08/inflation-tariffs-trump-fed-consumer-goods.html
Sunshine Coast BC | Greens choose candidate for Powell River-Sunshine Coast riding
"The cost of many everyday items would have declined (by about 1%) without trump’s legally fraught tariff policy, according to a report from the NY Federal Reserve.
Instead, shoppers saw a 2.9% increase in inflation on a sample of 67 types of goods as of February 2026 due to tariffs imposed in 2025 and early 2026.
For every % point increase in average tariffs, consumer goods prices increase by about 0.25% after one year."
https://www.cnbc.com/2026/10/08/inflation-tariffs-trump-fed-consumer-goods.html
https://libertystreeteconomics.newyorkfed.org/2026/10/how-fast-do-tariffs-pass-through-into-consumer-prices/
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