A speedy DNA arm like this might one day be used to 3D print molecules
Molecular machines, much smaller than single cells, may one day be able to deliver drugs to kill cancer cells or patrol your body for signs of disease. But many applications of these machines require large arrays of rock-hard moving parts, which would be difficult to build with typical biological structures.
Furrion is one step closer to creating its powered mech racing series.
Just as aircraft flying at supersonic speeds create cone-shaped sonic booms, pulses of light can leave behind cone-shaped wakes of light. Now, a superfast camera has captured the first-ever video of these events.
Riding a bike is definitely good exercise, although it does tend to work out the same muscles in the same fashion. In an effort to remedy that, the Caron Bicycle was created. It can be pedaled in six different ways, all of which still move the thing forward.