Video

The Technomagic of Sphero

Wireless battery charging and remote control via a Bluetooth-based smart-phone app gives this robot toy its appeal.

Reporting by Stephen Cass
February 27, 2012

Subscribe to Continue Reading

Uh oh–you've read all five of your free articles for this month.

Insider Online Only

$19.95/yr US PRICE

Subscribe

See international, alumni and other pricing options

Already an Insider?
Log in.

Have a magazine subscription?
Activate your Insider account.

The Best of the Physics arXiv (week ending September 24, 2016)

This week’s most thought-provoking papers from the Physics arXiv.

by Emerging Technology from the arXiv
Single Photon Carries 10 Bits of Information

Physicists have smashed the record for the amount of information a single photon can carry. Their experiment has immediate implications for quantum cryptography.

by Emerging Technology from the arXiv
The Spies Who Loved iPhones

U.S. intelligence agencies know better than anyone how vulnerable today’s technologies are to being infiltrated—but some spies are getting smartphones and Wi-Fi anyway.

by Jamie Condliffe

You've read of free articles this month.

Subscribe Become an Insider or Sign in for unlimited access to online articles .