Torque vs. Speed: Motor Selection in Robotics
Why doesn't your fast robot have enough strength to push anything? Understanding the critical balance of gear ratios.
How Do Acoustic Guitars Make Sound?
Vibrating strings transferring energy to the soundboard to amplify the sound waves.
How Do Airplanes Fly?
The principles of aerodynamics, lift, and how massive metal tubes stay in the air.
How Do Bridges Support So Much Weight?
Distributing forces like tension and compression across trusses, arches, and cables.
How Do Bulletproof Vests Work?
Spreading the kinetic energy of a projectile through layers of strong fibers.
How Do Lasers Work?
Light Amplification by Stimulated Emission of Radiation explained simply.
How Do Magnets Work?
Exploring magnetic fields, electron spin, and why certain metals stick together.
How Do Memory Foam Mattresses Work?
Viscoelastic polyurethane responding to body heat and pressure.
How Do Microwaves Heat Food?
Using dielectric heating and electromagnetic radiation to cook your meals quickly.
How Do Neon Signs Work?
Passing a high voltage through noble gases in a glass tube to produce glowing plasma.
How Do Parachutes Work?
Creating immense air resistance to oppose the force of gravity and slow a fall.
How Do Roller Coasters Stay on the Tracks?
Using upstop wheels wrapped underneath the tubular steel rails.
How Do Ships Float?
Archimedes' principle: an object floats when it displaces water equal to its own weight.
How Do Silencers Work on Guns?
Slowing down and cooling escaping gases to significantly reduce the loud report.
How Do Submarines Dive and Surface?
Buoyancy, ballast tanks, and how submarines control their depth underwater.
How Do Taser Guns Work?
Delivering high-voltage, low-current electrical impulses to disrupt muscle control.
How Do X-Rays Work?
Shooting high-energy electromagnetic radiation that passes through flesh but is blocked by dense bone.
How Does a Gyroscope Work?
Conservation of angular momentum and how it keeps objects (and robots) stable.
How Does a Metal Detector Work?
Inducing a magnetic field and sensing the distortion when it hits metal.
How Does a Pendulum Work?
The simple harmonic motion and energy conversion swinging back and forth.
How Does Radar Work?
Bouncing radio waves off objects to determine their distance, speed, and direction.
What is 3D Holography?
Creating the illusion of three-dimensional images using light diffraction.
What is a Geiger Counter?
A device used to detect and measure ionizing radiation.
What is a Holograph?
A physical structure that diffracts light into an image.
What is a Hypersonic Missile?
Weapons that travel five times the speed of sound and can maneuver mid-flight.
What is a Nanotube?
Cylindrical molecules of carbon with extraordinary strength and electrical properties.
What is a Plasma?
The fourth state of matter consisting of ionized gas and free electrons.
What is a Pulley?
A simple machine that uses grooved wheels and ropes to change the direction and magnitude of force.
What is a Pulsar?
A highly magnetized rotating neutron star that emits beams of electromagnetic radiation.
What is a Quark?
The fundamental building blocks of matter that make up protons and neutrons.
What is a Superconductor?
Materials that can carry electric current with zero resistance at very low temperatures.
What is a Supernova?
The brilliant, explosive death of a massive star.
What is a Vector?
A quantity that has both magnitude and direction, fundamental to physics and game dev.
What is Absolute Zero?
The lowest limit of the thermodynamic temperature scale where molecular motion stops.
What is Aerodynamics?
The study of the motion of air and how it interacts with solid objects.
What is Antimatter?
Particles with the opposite charge of normal matter, and what happens when they collide.
What is E=mc^2?
Energy equals mass times the speed of light squared: meaning mass and energy are interchangeable.
What is Friction?
The force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.
What is Newton's Third Law?
For every action, there is an equal and opposite reaction.
What is Nuclear Fusion?
The process that powers the sun and could provide limitless clean energy on Earth.
What is the Coriolis Effect?
How the rotation of the Earth deflects moving objects (like winds) to the right in the Northern Hemisphere.
What is the difference between AC and DC?
Alternating current reverses direction, while direct current flows only one way.
What is the Doppler Effect?
Why a siren's pitch changes as it moves towards and then away from you.
What is the Heisenberg Uncertainty Principle?
Why you can't know both the exact position and exact momentum of a particle.
What is the speed of sound?
How temperature and medium affect how quickly sound waves can travel.
What is Thermodynamics?
The branch of physics dealing with heat, work, and temperature.
'Air Sort': Sorting by Landing Time
The craziest sorting mechanism is no mechanism at all. Using physics to separate game pieces in mid-air.
The Physics of Backspin: Why It Matters
Stability. Retention. Range. How adding backspin to your game piece changes everything.
Shoot on the Move: Kinematics & Physics
Don't stop to shoot. Learn the vector math required to compensate for your robot's velocity.
Shooter Comparison: Hoods vs. Speed Control
Which is better for aiming? Adjusting the angle or adjusting the speed? A data-driven comparison.
Trajectory Physics: High Arc vs. Low Arc
The geometry of winning. When to use a high lob shot to evade defense versus a flat laser shot for speed and accuracy.
Shooter Design: Variable Speed Systems
Can you change range just by changing speed? We analyze the physics of RPM modulation for range control.