Massachusetts Institute of Technology

The overlooked history of African technology

In the border region where Zimbabwe, Mozambique, and South Africa meet, indigenous hunters have for centuries made and used an impressive array of tools. There is the bow, made from giant raisin trees and ...

Oct 06, 2014
4.3 / 5 (3) 0

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

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