Velocity

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Articles about Velocity

50 published items.

Why does the gyro do not fall when spinning?
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Why does the gyro do not fall when spinning?

Of the thousands of people who used to play hard at their childhood, few people answered that question. The tick, whether turned upright or tilted, still doesn't fall li…

December 18, 2018
Use the hand to catch the bullet
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Use the hand to catch the bullet

During the period of imperial war, a French pilot encountered a strange case. While flying at a height of 2 km, he noticed that a small object was moving in front of him…

December 18, 2018
Measure the speed of a sneeze
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Measure the speed of a sneeze

In a recent study, Canadian scientists used high-tech camcorders to photograph the process of sneezing created by six volunteers.

December 18, 2018
Gravity has a speed of light
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Gravity has a speed of light

Chinese scientists claim to have found important evidence for the hypothesis that gravity moves at the speed of light, based on data collected from the tide.

December 18, 2018
Can't travel through time
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Can't travel through time

Single photon cannot pass the speed of light, just like Einstein's theory. Hoping to go through time is mentioned about 10 years ago, when scientists discovered ...

December 18, 2018
Perfect throwing shots
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Perfect throwing shots

Long throwing balls can be a powerful weapon in football. As the World Cup is taking place, Professor Nick Linthorne of the University of Brunei, UK, explains the physic…

December 18, 2018
The fastest spacecraft on the planet
Space science

The fastest spacecraft on the planet

For ships flying across the universe at speeds of thousands of kilometers per hour, the calculation of which ships move most quickly becomes an extremely complex task fo…

December 17, 2018