Massachusetts Institute of Technology

How to make a "perfect" solar absorber

The key to creating a material that would be ideal for converting solar energy to heat is tuning the material's spectrum of absorption just right: It should absorb virtually all wavelengths of light that ...

Sep 29, 2014
4.8 / 5 (35) 3

New frontier in error-correcting codes

Error-correcting codes are one of the glories of the information age: They're what guarantee the flawless transmission of digital information over the airwaves or through copper wire, even in the presence ...

Oct 01, 2014
4.8 / 5 (20) 6

Superconducting circuits, simplified

Computer chips with superconducting circuits—circuits with zero electrical resistance—would be 50 to 100 times as energy-efficient as today's chips, an attractive trait given the increasing power consumption ...

Oct 17, 2014
4.8 / 5 (19) 3

How to make stronger, 'greener' cement

Concrete is the world's most-used construction material, and a leading contributor to global warming, producing as much as one-tenth of industry-generated greenhouse-gas emissions. Now a new study suggests ...

Sep 25, 2014
4.5 / 5 (17) 4

Superhuman vision

All through his childhood, Ramesh Raskar wished fervently for eyes in the back of his head. "I had the notion that the world did not exist if I wasn't looking at it, so I would constantly turn around to see ...

Oct 07, 2014
4.7 / 5 (9) 1