gravity
-
Why Does Gravity Exist?
To understand this, we need to know what gravity is. Something seems to hold us down on the ground. It makes us hit the floor with a thump if we fall over, and makes your marbles roll down slopes. Have you ever jumped on a trampoline? When you are in the air your arms feel…
-
10 Sci-Fi Action Movies To Watch If You Miss Thrill Rides
We can’t go to theme parks right now. That means no funnel cakes, no turkey legs, no churros, and definitely no roller coasters. What wouldn’t any one of us give to scream our head off on a roller coaster right now? Well, it turns out, you may have one or two in your movie collection.
-
We Could Solve The Mysteries Of Time And Space — If We Had A Particle Accelerator The Size Of The Solar System
Gravity is incredibly weak. Just think: You can lift your foot despite the mass of the entire Earth pulling against it. Why is it so weak? That’s unclear. And it might take a very, very big science experiment to find out.
-
New South African Telescope Releases Epic Image Of The Galactic Centre
You’re looking at the centre of our galactic home, the Milky Way, as imaged by 64 radio telescopes in the South African wilderness. Scientists released this image today to inaugurate the completed MeerKAT radio telescope. But these scopes form part of an even more ambitious project: The Square Kilometre Array, a joint effort to build…