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Spray lights you up when you've got poison ivy

Scratch that itch. Chemists develop a spray-on substance that can identify the presence of urushiol, the oily sap on poison ivy that surely comes from the devil himself.

By October 15, 2012


A rare look at a star's demise in a supermassive black hole

Researchers have documented a black hole's feasting in such detail that they're able to infer its size as well as the type of star that fell prey to its gluttony.

By May 2, 2012


New method for detecting GPL violations; proprietary vendors urged to come clean

A new method for detecting IP violations is being proposed, and I'm confident it will turn up plenty of offenders in the proprietary camp. I'm rubbing my hands with glee at the prospect.

By August 25, 2007


What teens can teach you about tech

Teens are fascinating creatures. They offer some excellent insights about technology, and not only about what is "in"--though they're a great measure of that.

By May 29, 2007


Lost at sea, found in flash

Immersed in saltwater for days after a student research balloon plunged into the sea, flash memory cards live to tell a tale. Photos: Message in a memory card

By July 8, 2005