Inventor of Taser Dies

Jack Cover was 88.

He derived its name from a fictional weapon in a favorite childhood book, "Tom Swift and His Electric Rifle," one of a series of adventure stories by Victor Appleton.

"Amorphous Metals" Ease Nano Production

The material may be used to manufacture nano-scale devices in large numbers at low cost.

Teeny Tiny GPS Receiver

Neato scary.

Nanoparticle Tattoo Monitors Diabetes

A scientist at Draper Labs has developed a nanoparticle ink which changes color based on glucose levels in the skin.

Catvertising

That's what Kotaku is calling the use of trained black cats in London to advertise the video game F.E.A.R. 2 on Friday the 13th.

"Every day people are bombarded with so many advertising messages that it can be easy to miss them," said Charlene Allen, Warner Bros. Interactive Entertainment spokeswoman. "With our research telling us that Brits are actively looking out for signs of bad luck this Friday, it makes perfect sense to try and capture their attention that way."

White House Live-Blogs Obama

The White House live-blogged President Obama's recent speech in Fort Myers Florida.

-- 12:30 pm: (Blogger) A moment of candor: "No plan is perfect. I can't tell you with one hundred percent certainty that everything in this plan will work exactly as we hope." But, that said, "doing nothing is not an option -- you didn't send me to Washington to do nothing."

-- 12:55 pm: (Blogger) President pauses the Q&A to announce some breaking news: the Senate has passed the (economic stimulus plan). And there was much rejoicing.

-- 12:58 pm: (Blogger) A woman in the crowd asks for assistance, President embraces her.

Congressman Twitters @ Secret Trip

Today's congressional trip to Iraq was supposed to be secret. Oops!

That was, until Rep. Peter Hoekstra twittered his arrival into Baghdad. "Just landed in Baghdad. I believe it may be first time I've had bb service in Iraq. 11th trip here," he sent from his BlackBerry.