Speed

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1,518 published items.

The supernova may be bombarding Earth's atmosphere
Space science

The supernova may be bombarding Earth's atmosphere

Physicist Amir Siraj and Harvard University's Professor Abraham Loeb suspect that some space bullets may be attacking our atmosphere when traveling at a speed of 3,000 k…

February 24, 2020
Diving aids like jets
New technology

Diving aids like jets

The device weighs about 2kg, reaches a speed of 1.8m per second, dives 5 - 40m deep, uses 60 minutes continuously on a full charge.

January 19, 2020
Why is a killer like a crocodile afraid of hippos?
Animal world

Why is a killer like a crocodile afraid of hippos?

Crocodile is considered to be one of the predators, possessing incredible hunting speed, while the Hippo has a gentle, chubby appearance. So why should alligators be afr…

January 17, 2020
Time travel is entirely possible?
Discover science

Time travel is entirely possible?

Theoretically, a beam of laser light can create a spiral of time that can allow people to travel into the past, though only to a certain point.

January 8, 2020
The physical laws behind the shot
Discover science

The physical laws behind the shot

Football is a sport that requires speed, strength, endurance and strategy, but surely good ball control also requires physical understanding.

December 11, 2019