Speedometer

What is the difference between speed and velocity?

The terms speed and velocity are often used interchangeably. This is incorrect, and I will explain why below. Speed is a scalar measurement of the rate...
frozen pond

How do fish survive when ponds and lakes freeze?

When a lake freezes, only the top layer actually freezes over. The area beneath the ice is where fish survive. This is due to something called...
Mars Astronauts

How long will it take to fly to Mars?

Until flying through the Sun becomes a reality, it will take humans between six and ten months to reach Mars. The exact travel time depends on...
Topping off your gas tank

Should I top off my gas tank after the pump handle clicks?

Topping off your gas tank (aka gas topping) is not a good idea for mechanical, environmental, and financial reasons. Any gas you put in...
crude oil coming out of pipe

Why is there so much oil in the Middle East?

There isn't necessarily more oil in the Middle East; it's just the most cost-effective place to extract oil from due to it having ideal conditions...

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