#kinematics — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #kinematics, aggregated by home.social.
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In the past years our team at #HUBerlin and #ChariteBerlin was able to recruit 451 adults (231 females) aged 18-64 years, with and without low-back pain.
Besides #kinematics, we assessed muscle strength, activation (#EMG) and morphology (#MRI) of the trunk.
Today we finally submitted our second manuscript and it is my pleasure to publicly share this unique dataset and the #rstats code used for analyses (https://doi.org/10.5281/zenodo.17950007).
We sincerely hope that our commitment to #OpenScience and #FairData allows researchers worldwide to use this data and foster global research initiatives, collaborations and comparative studies on low-back pain, facilitating cross-cohort validation and a broader applicability of findings.
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Improved 3D Printer Cannibalizes Two Older Printers https://hackaday.com/2025/09/30/improved-3d-printer-cannibalizes-two-older-printers/ #3dPrinterhacks #kinematics #3dprinter #duender #CoreXY #ender3
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Improved 3D Printer Cannibalizes Two Older Printers - In the late 2010s, the Ender 3 printers were arguably the most popular line of 3D ... - https://hackaday.com/2025/09/30/improved-3d-printer-cannibalizes-two-older-printers/ #3dprinterhacks #kinematics #3dprinter #duender #corexy #ender3
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Non-Collisional Orogeny In Northeast Japan Driven By Nearby Same-Dip Double Subduction
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https://doi.org/10.1038/s41561-025-01704-5 <-- shared paper
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#geology #structuralgeology #japan #subduction #system #plate #geometry #mantle #tectonics #geodynamics #orogeny #Ryukyu #IzuBoninMarianas #kinematics #backarc #earthquake #fault #faulting #orogenesis #platetectonics -
Non-Collisional Orogeny In Northeast Japan Driven By Nearby Same-Dip Double Subduction
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https://doi.org/10.1038/s41561-025-01704-5 <-- shared paper
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#geology #structuralgeology #japan #subduction #system #plate #geometry #mantle #tectonics #geodynamics #orogeny #Ryukyu #IzuBoninMarianas #kinematics #backarc #earthquake #fault #faulting #orogenesis #platetectonics -
Non-Collisional Orogeny In Northeast Japan Driven By Nearby Same-Dip Double Subduction
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https://doi.org/10.1038/s41561-025-01704-5 <-- shared paper
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#geology #structuralgeology #japan #subduction #system #plate #geometry #mantle #tectonics #geodynamics #orogeny #Ryukyu #IzuBoninMarianas #kinematics #backarc #earthquake #fault #faulting #orogenesis #platetectonics -
Non-Collisional Orogeny In Northeast Japan Driven By Nearby Same-Dip Double Subduction
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https://doi.org/10.1038/s41561-025-01704-5 <-- shared paper
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#geology #structuralgeology #japan #subduction #system #plate #geometry #mantle #tectonics #geodynamics #orogeny #Ryukyu #IzuBoninMarianas #kinematics #backarc #earthquake #fault #faulting #orogenesis #platetectonics -
Non-Collisional Orogeny In Northeast Japan Driven By Nearby Same-Dip Double Subduction
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https://doi.org/10.1038/s41561-025-01704-5 <-- shared paper
--
#geology #structuralgeology #japan #subduction #system #plate #geometry #mantle #tectonics #geodynamics #orogeny #Ryukyu #IzuBoninMarianas #kinematics #backarc #earthquake #fault #faulting #orogenesis #platetectonics -
Kinematic Evolution Of A Large Paraglacial Landslide In The Barry Arm Fjord Of Alaska
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https://doi.org/10.1029/2023JF007119 <-- shared paper
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https://doi.org/10.5066/P9EUCGJQ <-- shared technical article
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https://www.sciencebase.gov/catalogMaps/mapping/ows/5fff561ed34e592d8671ee85?service=wms&request=getcapabilities&version=1.3.0 <-- shared web mapping service
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#GIS #spatial #mapping #massmovement #landslide #engineeringgeology #remotesensing #sitespecific #LiDAR #iFSAR #paraglacial #kinematics #mapping #monitoring #spatialanalysis #spatiotemporal #fedscience #risk #hazard #glacier #retreat #climatechange #Alaska #BarryArm #fjord #hazardassessment #tsunami #wave #BarryGlacier #change #sensors #fieldwork #surveillance #melting #permafrost #Whittier #geophysics #geology #Alaska #geomorphometry #deglaciating
@USGS -
Kinematic Evolution Of A Large Paraglacial Landslide In The Barry Arm Fjord Of Alaska
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https://doi.org/10.1029/2023JF007119 <-- shared paper
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https://doi.org/10.5066/P9EUCGJQ <-- shared technical article
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https://www.sciencebase.gov/catalogMaps/mapping/ows/5fff561ed34e592d8671ee85?service=wms&request=getcapabilities&version=1.3.0 <-- shared web mapping service
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#GIS #spatial #mapping #massmovement #landslide #engineeringgeology #remotesensing #sitespecific #LiDAR #iFSAR #paraglacial #kinematics #mapping #monitoring #spatialanalysis #spatiotemporal #fedscience #risk #hazard #glacier #retreat #climatechange #Alaska #BarryArm #fjord #hazardassessment #tsunami #wave #BarryGlacier #change #sensors #fieldwork #surveillance #melting #permafrost #Whittier #geophysics #geology #Alaska #geomorphometry #deglaciating
@USGS -
Unique 3D Printer Has a Print Head With a Twist https://hackaday.com/2024/12/02/unique-3d-printer-has-a-print-head-with-a-twist/ #3dPrinterhacks #kinematics #CoreXY #slicer #polar #theta
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Unique 3D Printer Has a Print Head With a Twist - If you’re used to thinking about 3D printing in Cartesian terms, prepare your brai... - https://hackaday.com/2024/12/02/unique-3d-printer-has-a-print-head-with-a-twist/ #3dprinterhacks #kinematics #corexy #slicer #polar #theta
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Forgive the recent apparent obsession (I’d call it a fascination) with the #cycloid but I’ve just discovered something I’d not heard of before. It is also called a #TautochroneCurve or #Isochrone curve, which means that a particle starting from any location on the curve will get to the #MinimumPoint at precisely the same time as a particle starting at any other point.
#Dynamics #Kinematics #Mathematics #AppliedMathematics #Mechanics #ClassicalMecanics #WxMaxima #FreeSoftware #MyWork #CCBYSA
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Imagine a circular wheel rolling, without skidding, on a flat, horizontal surface. The #locus of any given point on its #circumference is called a #cycloid. It is a #periodic #curve with #period over the #circle's circumference and has #cusps whenever the point is in contact with the surface (the two sides of the curve are tangentially vertical at that point).
#Mathematics #Geometry #Maths #AppliedMathematics #Mechanics #Kinematics #Dynamics #Physics #MyWork #CCBYSA #WxMaxima
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Combination Of Aerial, Satellite, And UAV Photogrammetry For Quantifying Rock Glacier Kinematics In The Dry Andes Of Chile (30°S) Since The 1950s
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https://doi.org/10.3389/frsen.2021.784015 <-- shared paper
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#GIS #spatial #mapping #monitoring #remotesensing #spatiotemporal #spatialanalysis #Andes #Tapado #Chile #aerial #satellite #UAV #imagery #survey #kinematics #DryAndes #velocity #Ice #debris #landform #geomorphology #glacier #rockglacier #downwasting #erosion #geology #massmovement #engineeringgeology #glacial #periglacial #research #photogrammetry -
Combination Of Aerial, Satellite, And UAV Photogrammetry For Quantifying Rock Glacier Kinematics In The Dry Andes Of Chile (30°S) Since The 1950s
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https://doi.org/10.3389/frsen.2021.784015 <-- shared paper
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#GIS #spatial #mapping #monitoring #remotesensing #spatiotemporal #spatialanalysis #Andes #Tapado #Chile #aerial #satellite #UAV #imagery #survey #kinematics #DryAndes #velocity #Ice #debris #landform #geomorphology #glacier #rockglacier #downwasting #erosion #geology #massmovement #engineeringgeology #glacial #periglacial #research #photogrammetry -
Combination Of Aerial, Satellite, And UAV Photogrammetry For Quantifying Rock Glacier Kinematics In The Dry Andes Of Chile (30°S) Since The 1950s
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https://doi.org/10.3389/frsen.2021.784015 <-- shared paper
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#GIS #spatial #mapping #monitoring #remotesensing #spatiotemporal #spatialanalysis #Andes #Tapado #Chile #aerial #satellite #UAV #imagery #survey #kinematics #DryAndes #velocity #Ice #debris #landform #geomorphology #glacier #rockglacier #downwasting #erosion #geology #massmovement #engineeringgeology #glacial #periglacial #research #photogrammetry -
I wonder if a #SilentSync #belt and #sprocket setup would improve the #print quality of a #3DPrinter. 16mm belts would probably reduce #ghosting / #ringing, but would the offset herringbone tooth pattern reduce some, if not all of the XY wavey artifacts? Maybe the #VoronDesign, #HevORT, or #VzBoT folks would like to investigate?
https://www.silentsync.com/silentsync-sprockets/yellow-timing-pulley-sprockets
#3DPrinting #3DPrint #kinematics #hardware #belts #TimingBelt #sprockets #Voron -
I wonder if a #SilentSync #belt and #sprocket setup would improve the #print quality of a #3DPrinter. 16mm belts would probably reduce #ghosting / #ringing, but would the offset herringbone tooth pattern reduce some, if not all of the XY wavey artifacts? Maybe the #VoronDesign or #HevORT folks would like to investigate?
https://www.silentsync.com/silentsync-sprockets/yellow-timing-pulley-sprockets
#3DPrinting #3DPrint #kinematics #hardware #belts #TimingBelt #sprockets #Voron
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Teaching physics? Labs and resources! 🙂
Friction lab
Mechanical equilibrium lab3 stage rockets – human powered in the gym or hall
#Gravity and #tides: Why Is There a Tidal Bulge Opposite the Moon?
Inertial mass and gravitational mass lab
Reaction time lab
CPO #Kinematics labsMeasuring data with smartphone apps
#Magnetism: Lenz’s law demo & more!
#Catapult and #Trebuchet build project
#Hovercraft build project
#Mousetrap racershttps://kaiserscience.wordpress.com/physics/labs-physics/
@edutooters
#science #physics #physicsteachers #highschoolscience -
CW: Physics
TIL the effective rotational inertia of an axle which has a vehicle attached to it is mR^2 (considering the wheel and axle are negligible compared to the vehicle), the same as that of a point mass around an axis outside itself.
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LEONARDO: The Hopping, Flying Bipedal Robot - We appear to have a new entry atop the “Robots That Creep Us Out” leader board: me... - https://hackaday.com/2021/10/07/leonardo-the-hopping-flying-bipedal-robot/ #obstacleavoidance #robotshacks #dronehacks #kinematics #locomotion #bipedal #hopping #drone