Tag: RFID

A Battery-Free Implantable Neural Sensor

By Kate Greene | 11/05/2009 | 2 Comments

A tiny radio chip implanted in a moth harvests power and senses neural activity.

A Salt and Paper Battery

By Prachi Patel | 09/15/2009 | 1 Comment

The simple, non-polluting battery could be used in compact devices.

Picking Pockets, Wirelessly

By Erica Naone | 05/15/2009 | 1 Comment

The world's most popular wireless smart card can be copied.

A Heatstroke-Sensing Helmet

By David Talbot | 03/19/2009 | 1 Comment

Temperature sensing is just the latest helmet technology.

Wireless Detectors for Dementia

By Kristina Grifantini | 02/02/2009 | 0 Comments

Researchers hope that radio transmitters can warn of cognitive decline earlier.

Keeping Tabs on Tools

By Erica Naone | 12/15/2008 | 1 Comment

A truck-based RFID system could help workers find the right tools.

Borderline Security

By Erica Naone | 10/31/2008 | 3 Comments

RFID chips in U.S. passport cards and some driver's licenses are at risk of being counterfeited or tracked, researchers say.

How Smart Is a Smart Card?

By Erica Naone | 10/20/2008 | 0 Comments

A smart card's RFID chip reveals the algorithms that control it.

How (Not) to Fix a Flaw

By Erica Naone | 08/14/2008 | 5 Comments

Experts say disclosing bugs prevents security flaws from festering.

Tracking a Shopper's Habits

By Michael Fitzgerald | 08/04/2008 | 3 Comments

Infosys's sensor network turns stores into mini-Internets.