Almost exactly 200 years ago, French physicist Sadi Carnot determined the maximum efficiency of heat engines. The Carnot ...
Scientists have built microscopic, light-powered robots that can think, swim, and operate independently at the scale of ...
Controlling light is an important technological challenge—not just at the large scale of optics in microscopes and telescopes ...
At the heart of our sun, fusion is unfolding. As hydrogen atoms merge to form helium, they emit energy, producing the heat ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback