Mars rover Curiosity test fires the laser – pulverizes a rock just for fun (and science)

Johnny Five, aka the Mars rover Curiosity, continues its scientific journey. The nuclear-powered laboratory in-a-box pulled out it’s laser to blast a rock that got in its way. From NASA: The mission’s ChemCam instrument hit a fist-sized rock named “Coronation” with 30 pulses of its laser during a 10-second period. Each pulse delivers more than …

Twitter now has more than half a billion accounts worldwide

A milestone for Twitter today, according to the Paris-based analyst group Semiocast. The social network has now passed the half-billion account mark — specifically 517 million accounts as of July 1, 2012, with 141.8 million of those users in the U.S., still about half as many users as Facebook has but positioning it as the second-biggest …

Unemployment is not as important as we think, when it comes to predicting the next President

Make no mistake: the higher the unemployment rate in November 2012, the less likely President Obama is to win a second term. But we should be careful about asserting that there is any particular threshold at which Mr. Obama would go from favorite to underdog, or any magic number at which his re-election would either …

Venture capital investment had its biggest quarter (Q2 2012) of the decade

U.S. venture capitalists put $8.1 billion into 812 deals in the second quarter of 2012, their single largest quarter in more than a decade, according to CB Insights. It’s clear that factors like the greater American economy and the bumpy tech IPO market don’t necessarily have a direct and/or timely correlation with venture capital spending. …

The best pictures of June from National Geographic

 

Amazing (gross) limited edition – Walking Dead Season 2

  The Walking Dead: The Complete Second Season Having trouble waiting until October to get your zombie suspense fix? Pick up The Walking Dead: The Complete Second Season ($70) on Blu-ray. This limited edition set includes all 13 episodes from the second season, as well as audio commentaries, webisodes, deleted scenes, over 10 new featurettes, all spread …

Our brains can brake a car faster than our feet

If you’ve ever had to slam on the brakes to prevent an accident, you know that the time it takes to get your foot to that pedal can seem like an eternity. Now, German researchers aim to cut that reaction time by getting drivers’ brain waves to help stop the car. Their findings appear in …

College competition racing Baja off-road vehicles

A group of students in gray shirts file out of a cramped classroom onto the road. Shining flashlights to see through the darkness, they huddle around the frame of a short, black car. One yanks on the pull start. The engine roars to life, and the car takes off down the road, ready for competition. …

Are you ready to rent out your car? – ‘Personal Car Sharing’ brings in $2-300/month

Have you ever thought about renting out your car, like an automobile version of Airbnb? The trend is catching on as “personal car sharing” comes to Los Angeles in March 2012. It already exists in Boston and San Francisco as a distinct service compared to Zipcar, which rents out cars owned by Zipcar-itself. RelayRides, based …