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Here are some ressources related to Geometry, Physics, Mathematics. Hoping you will find learning material, alternative tools or just some interesting stuff.

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Articles

History of Kites
See discussion (18 comments, 95 points) - Archive
Leonardo da Vinci’s experiments explored gravity as a form of acceleration
See discussion (70 comments, 214 points) - Archive
Norton's Dome
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Leonardo noted link between gravity and acceleration centuries before Einstein
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Computer proof ‘blows up’ centuries-old fluid equations
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Eighty Years of the Finite Element Method
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What you need to build a Greek temple
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Pepsi: Breathtaking Design Strategy (2008) [pdf]
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The GömböC: An object that shouldn't exist (2014)
See discussion (35 comments, 115 points) - Archive
PDEs you should know
See discussion (94 comments, 146 points) - Archive
Geometry from Another Universe
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4D Toys: Klein Bottles
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The Hyperbolic Geometry of DMT Experiences (2016)
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Numerics applied to Casimir geometry generates intersection with Alcubierre warp
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Sunset Geometry (2016)
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Visualize 3D hyperbolic honeycombs and sphere packings
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Eleven proofs of the Gaussian integral [pdf]
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Scientists find an effective solution for the three-body problem
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The Ergodicity Problem in Economics
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2020 Mathematical Art Exhibition
See discussion (31 comments, 157 points) - Archive
Why Do Mirrors Flip Things Horizontally but Not Vertically? Here's the Physics
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Global wave discovery ends 220-year search
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The mysteries of aerodynamic lift
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Letting slower passengers board airplane first is faster, study finds
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Interactive Lorenz Attractor
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What Makes the Hardest Equations in Physics So Difficult? (2018)
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Why does F = ma?
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A neural net solves the three-body problem 100M times faster
See discussion (51 comments, 180 points) - Archive
A 127-year-old physics riddle regarding the Kelvinangle in boat wakes solved
See discussion (43 comments, 102 points) - Archive
Civilizational Collapse, Part 4
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The Feynman Lectures on Physics: The Principle of Least Action (1963)
See discussion (20 comments, 103 points) - Archive
Bubble Experiment Finds Universal Laws
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‘A Swiss cheese-like material’ that can solve equations
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Karen Uhlenbeck, Uniter of Geometry and Analysis, Wins Abel Prize
See discussion (51 comments, 309 points) - Archive
Gömböc
See discussion (19 comments, 113 points) - Archive
Pendulum Waves (2010)
See discussion (24 comments, 119 points) - Archive
On the rheology of cats (2014) [pdf]
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Alchian–Allen effect
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Why some things are darker when wet (1988)
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Things an architect should know
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The Birth of Prolog (1992) [pdf]
See discussion (39 comments, 133 points) - Archive
Isochronous Curves
See discussion (62 comments, 224 points) - Archive
4D toys
See discussion (110 comments, 592 points) - Archive
The Octonion Math That Could Underpin Physics
See discussion (188 comments, 412 points) - Archive
The moving sofa problem
See discussion (51 comments, 215 points) - Archive
How thick is the atmosphere? A derivation of the Boltzmann distribution
See discussion (20 comments, 101 points) - Archive
Hotelling’s Law (2011)
See discussion (39 comments, 149 points) - Archive
What Makes the Hardest Equations in Physics So Difficult?
See discussion (70 comments, 115 points) - Archive
Mathematicians Find Wrinkle in Famed Fluid Equations
See discussion (120 comments, 240 points) - Archive
The Forgotten Mystery of Inertia
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New periodic orbits of the three-body problem
See discussion (66 comments, 163 points) - Archive
Blum: “The proof is wrong. I shall elaborate precisely what the mistake is.”
See discussion (78 comments, 258 points) - Archive
Alexander Graham Bell’s Tetrahedral Kites
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Over 150 new families of Newtonian periodic planar three-body orbits
See discussion (65 comments, 89 points) - Archive
Explain mathematically a video from a space station (2011)
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The moving sofa problem
See discussion (64 comments, 690 points) - Archive
Mathematicians bring ocean to life for Disney's 'Moana'
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The Minimalist Beauty of a Renaissance-Era Geometry Book
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Cartoon Laws of Physics
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A Prayer for Archimedes (2007)
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Fresh work on the mathematics of bicycles in motion
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New derivation of pi links quantum physics and pure math
See discussion (20 comments, 113 points) - Archive
The Archer's Paradox in Slow Motion [video]
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The quest for a reactionless space drive
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The hammer-feather drop in the world’s biggest vacuum chamber [video]
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Coanda Effect: Understanding Why Wings Work
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The force vectors on a skateboard during an Ollie
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Helmhurts: Placing a WiFi router with the Helmholtz equation
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A Wave-Tracking Experiment
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How does a soccer ball swerve?
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The way we board airplanes
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Perfectly centered break of a perfectly aligned pool ball rack
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The Physics Behind Traffic Jams
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Planar Choreographies: odd orbital mechanics
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The physics of that ‘kickalicious’ kick
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The Most Dangerous Equation [pdf]
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Latitude doesn’t exactly mean what I thought
See discussion (21 comments, 111 points) - Archive
A mirror flips left and right, but not up and down
See discussion (80 comments, 152 points) - Archive
The story of the Gömböc
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"A calorie is a calorie" violates the second law of thermodynamics
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Real Life Model of M.C. Escher’s “Waterfall”
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What You Learned About How Planes Fly Was Probably Wrong
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Representations and srategies for games with imperfect information (1996) [pdf]
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How Euler Did It, by Ed Sandifer
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Constructing a Four-Point Egg
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Acme Klein Bottle
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Airfoil
See discussion (296 comments, 2544 points) - Archive
The Acme Klein Bottle (From Cliff Stoll and Family)
See discussion (20 comments, 95 points) - Archive
Algorithmic Mathematical Art (2004)
See discussion (22 comments, 164 points) - Archive
A rudimentary simulation of the three-body problem
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A canonical Hamiltonian formulation of the Navier–Stokes problem
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Go east from Seattle
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The physics of airplane flight
See discussion (169 comments, 165 points) - Archive
Strange Attractors (2018)
See discussion (11 comments, 118 points) - Archive