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gravity

Science: Forces of Gravity and Aerodynamics

What is Gravity? Gravity is a downward vertical force that keeps an object on the earth, or pulls it towards the surface of the earth. It is responsible for the weight that objects have, for the suspension of earth in space, its rotation round the sun, and also for the rotation of the moon round [...]

If Gravity Were Switched Off, This is What Will Happen to the Earth and Our Universe

We have all experienced the force of gravity. It is what happens to you when you jump up into the air, and fall right back down to the ground. But have you ever wondered: What if there was no gravity? What exactly would life on earth be like? Jay Buckey, a physician and one-time NASA astronaut, [...]

Without a Spacesuit In Space, These Are All the Things That Will Happen To You

If you have seen movies like Star Trek, Gravity, Sunshine, you may have wondered what would happen to someone who loses his spacesuit in space? Will the person explode? Is there a possibility of survival? But first, let's understand how a spacesuit works. How Does a Spacesuit Work? The principal functions of a spacesuit are [...]

Could You Really Live on Another Planet Other Than Earth?

Where would you go if you could choose to live on a planet other than Earth? Are you thinking Mars? BBC iWonder tells us that scientists predict there may be about 40 billion Earth-like planets in the Milky Way, yes 40 billion! Yet, the Milky Way is just one galaxy out of countless billions in Space, [...]

Did a Falling Apple Really Change Our Understanding of the World?

It is often said that a young Isaac Newton was sitting under an apple tree when he got hit on the head by a falling piece of fruit, which prompted him to suddenly come up with his law of gravity, so goes the legend. In reality, things didn’t go down quite like that. Newton, the [...]

How Astronauts Train For Space Missions

Going to space will be like  the coolest thing ever! Travelling in a space rocket that's moving faster than the speed of sound, to look down at the earth from above will certainly make anyone feel uber-special!  Tim Peake is the first astronaut sponsored by Britain to visit space, and is preparing for his flight [...]

Technology: How To Make A Parachute

A Parachute Have you ever wondered, how can I apply all the things I am learning? Have you started Science subjects yet? Do you ever wonder if all you are learning is simply academic, and not practical in real life? This is where technology comes in. It is the application of scientific knowledge [...]