86 results for: forces

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Kapa Haka, a traditional Māori art form

...expression of our life force … it’s showing that there’s an energy within you.” In Māori, kapa means a row, line, or a company of people, and haka means...

How to collect black sand with a magnet

...magnets, for an Exploratorium exhibit about magnetism and the magnetic lines of force. From SFGate: The Ocean Beach black sand is unlike the variety found on Hawaiian beaches as...

How NASA’s InSight Will Plumb the Depths of Mars

...all goes according to plan, InSight will arrive on Mars on November 26th, 2018. From NASA’s Jet Propulsion Laboratory, check out its launch from Vandenberg Air Force Base on on...

Fungus: The Plastic of the Future

...Krown Design: Mycelium is infinitely available and acts as the living glue to bind this organic waste. Let’s join forces to strive for a less plastic and oil dependent...

Balanced bottle sculptures by balancing artist Rocky Byun

...center of gravity—”the point through which the force of gravity acts on an object or system”—for the objects through observation and feeling as he makes micro-adjustments to their positions. Of...

Evolution 101 & how natural selection works – NOVA PBS

...been shaped by the powerful force of evolution. One mechanism of evolution, natural selection, favors organisms that are better equipped to survive and reproduce, not necessarily the biggest or strongest...

Stephen Hawking explains black holes in 90 seconds

...producing gravitational forces so strong that even light can’t escape. Anything that falls inside is thought to be ripped apart by the massive gravity, never to been seen or heard...

Speed up geologic time with a DIY squeeze box

...are undergoing compressional forces, such as regions near convergent plate boundaries… The deformation you see in your Squeeze Box is an excellent model of what happened or is currently happening...

The surprising interactions between copper and neodymium magnets

...the greater the loss of kinetic energy of a magnet (a product of its mass and speed), the greater the heat buildup in the conductor and the more forceful the...

Getting dressed in 18th century England

...of the Second World War when most servants left their employers and joined the armed forces.” Follow this with these videos: Weaving on Mount Vernon’s 18th Century Loom and combat...

Nowhere and Everywhere at the Same Time, No. 2

...more than 400 pendulums are activated to initiate a sweeping 15 part counterpoint of tempi, spacial juxtaposition and gradients of centrifugal force which offers the spectator a constantly morphing labyrinth...

Liquid Sand Hot Tub: Making a giant fluidized bed of sand

When air is pumped through sand in just the right way, the sand begins to behave a lot like a fluid. As air escapes between the sand particles,...

An unexpected way to inflate a balloon – Numberphile

The kamifusen is a traditional Japanese paper (kami) balloon (fusen) toy that became popular in the 1890s and can still be found in a variety of designs or...

How does your body know you’re full?

...almost impossible to ignore. After you’ve reacted by gorging on your morning pancakes, you start to experience an opposing force: fullness. But how does your body actually know when you’re...

A microgravity demo in the Willis Tower Skydeck elevator

The next time you ride an elevator down 103 floors, take a scale with you, because you might want to try this microgravity experiment: In collaboration with Willis...

Demonstrations of the Coanda Effect

...its explanation depends on viscosity, the frictional forces between the molecules of a fluid (be it liquid or gas). The Coanda effect is the culprit behind many everyday incidents as...

Hydrodynamic Levitation

...third law, the force on the water by the ball is equal and opposite to the force of the water back on the ball, pushing it up into the stream....

Step into a summer igloo (in 360°) as it’s being built

...on a parabola, not a semicircle, eliminating the forces that would make a true hemisphere bulge and collapse. Snow is an excellent insulator, trapping air between the snowflakes, while white...

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