Magnets like this one are great at picking up metal objects like these, but once you pick them up how do you let them go? For that you need a special type of magnet – an electromagnet. Magnetism and ...

Once the preserve of Marty McFly and sci-fi fantasies, hoverboards are set to become a reality after a developer attracted nearly half a million dollars in funding. Greg Henderson, the creator of the ...

Your eyes do not deceive you: This is apparently a working prototype for a hoverboard that makes Back to the Future a reality. Called Slide, the board supposedly uses electromagnetism to levitate ...

Mjölnir is real – or at least, as real as you can call a hammer which only works on metal surfaces Arthur C Clarke’s third law of prediction states that: “Any sufficiently advanced technology is ...

Iron, steel, nickel and cobalt are magnetic close magneticAble to be magnetised or attracted to a magnet. materials and would feel the force from a nearby magnet. All other materials that do not ...

Add Yahoo as a preferred source to see more of our stories on Google. It’s easy to think about satellites as a bunch of mini-moons, orbiting the Earth seamlessly and without any (noticeable) movement.