All Stories by Davide Castelvecchi
- Tech
Is Your Phone Out of Juice? Biological fuel cell turns drinks into power
A new type of fuel cell uses natural enzymes to produce small amounts of electricity from sugar.
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How smart are amoebas?
Amoebas seem to possess a rudimentary form of memory that keeps them from walking around in circles.
- Physics
Closer to Vanishing: Bending light as a step toward invisibility cloaks
Invisibility cloaks may be a long shot, but new optical tricks could help in the design of future computers.
- Physics
Warming Up to Criticality: Quantum change, one bubble at a time
Physicists can now observe matter as it gradually turns into a Bose-Einstein condensate—the exotic state of matter that displays quantum behavior at macroscopic scales.
