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Glasses-free 3D screen lets you see the wider picture

Future displays may soon go even further. Researchers from the Institute of Informatics at the Federal University of Rio Grande do Sul (UFRGS) in Brazil, Purdue University in West Lafayette, Indiana, and MIT have designed a screen that can compensate for bad eyesight, too. "It...

One Minute with Nicholas Negroponte

Can tablet computers "parachuted" into remote areas transform childhood learning, asks Nicholas Negroponte, the man behind One Laptop per Child You'll helicopter computers into remote areas so the children there can teach themselves to read and write. Where did the idea come from? One Laptop...

To protect your privacy, hand over your data

Verifying your identity generally comes down to entering one "key" that only you can provide – be it a password, credit card number or RFID tag. That's not good enough, according to a new proposal, which suggests that our digital identities will be more secure...