Look for mattresses with at least 600 coils for a queen size and 800 coils for a king size. The gauge of the coils refers to their thickness. Thicker coils provide more support, but can also make ...

Humanity is another step closer to a fantasy-accurate lightsaber thanks to Hackaday alumnus [James Hobson] at Hacksmith. Their proto-saber cuts through (cosplay) stormtrooper armor, (foam) walls, ...

If only we had affordable artificial muscles, we might see rapid advances in prosthetic limbs, robots, exo-skeletons, implants, and more. With cost being one of the major barriers — in addition ...