Harvard University

3D printing tiny batteries

(Phys.org) —3D printing can now be used to print lithium-ion microbatteries the size of a grain of sand. The printed microbatteries could supply electricity to tiny devices in fields from medicine to communications, ...

Jun 18, 2013 5 / 5 (19) 5 | with audio podcast

Evolutionary question, answered

A new paper published in the Royal Society’s Biology Letters journal, shows that early experimental studies of the peppered moth, as taught to many American high school students, are “completely cor ...

Feb 28, 2012 4.7 / 5 (20) 56 | with audio podcast

So, who owns the Internet?

A clash over who should decide which information flows through Internet networks—and at what price—is now before a Washington, D.C., federal appeals court in a landmark case that could grant Internet ...

Jan 08, 2014 4.8 / 5 (18) 8 | with audio podcast

Designing exascale computers

"Imagine a heart surgeon operating to repair a blocked coronary artery. Someday soon, the surgeon might run a detailed computer simulation of blood flowing through the patient's arteries, showing how millions ...

Jul 23, 2014 4.7 / 5 (18) 3