Why is time slower in rockets?
This is a wonderful video that helps you wrap your brain around the concept of time dilation.
Tagged: physics
Three-Dimensional Mid-Air Acoustic Manipulation
The essence of levitation technology is the countervailing of gravity. It is known that an ultrasound standing wave is capable of suspending small particles at its sound pressure nodes and, so far, this method has been used to levitate lightweight particles, small creatures, and water droplets.
Fun with physics (15 gifs)
Physics is the way scientists explain how the universe works – from the smallest particles to the biggest galaxies. Usually we associate it with difficult or boring tasks and complicated formulas. But when you present problems and simple experiments illustrating the laws of physics in an accessible and interesting way it becomes great fun.
25 Most Hilarious Ig Nobel Prizes Ever Awarded
A parody of the Nobel Prize, the Ig Nobel prizes are awarded every year for the most trivial or strange advancements in scientific research. These are the 25 most hilarious Ig Nobel prizes ever awarded.
The Cubli: A Gravity-Defying Cube
The Cubli is a 15cm cube that can jump, balance on it’s corner and even walk. Reaction wheels mounted on three of the four cube faces rotate at a very high angular velocity then brake suddenly, causing a jump. Once the cube has almost reached it’s corner, controlled motor torques are applied creating a corner balance. Oh and it can also walk. Welcome to the future.
10 Fascinating Things About Science and History Mankind Learned In 2013
There comes a time when the sciences and history merge to form this amalgamated field of sheer discovery. Well, there were several times during the course of 2013–now in its twilight days—that the historical and scientific fusion of pure epicness re-wrote humankinds understanding of Earth, and its planetary peers that occupy the heavens.