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Comment There's an interesting problem with this approach (Score 1) 79

I tried to tackle the same thing a couple of months back using OpenCV and a smartphone. Before starting I consulted with people that knew sign language and the problem is not so much recognizing hand gestures, but facial expressions. They say that most of the conversation happens with a a given look, a frown, or the movement of the lips.

Needless to say, I though it was too hard to solve the problem on a smartphone so I postponed the project. I don't think Kinect can do a much better job at picking up the small details of facial expressions, but let's wait an see.

Comment Helicopter Crash!! (Score 0) 110

Wow! They probably remote flew a helicopter and then crashed it at a few miles per hour and it went up in a big ball of fire, but not before giving out some exciting new data taken by high-speed cameras placed....

*watches video*

It's a fuselage dropped from a crane not 30 feet from the ground. That was pretty anti-climatic...

Comment Re:Slowly sip the power! (Score 1) 72

The article is pretty flimsy with the tech details, but if it is anything like magnetic induced current, the car need to be in motion to recharge (ie, traveling across the magnetic field). Unless you plan to be running along the road to charge your laptop, I'd say it's pretty inconvenient to recharge your devices that way.

Comment About launch mass (Score 5, Interesting) 108

I never completely understood the need of launching massive ships from Earth whenever we want to leave it. Whenever we wanted to travel the seas, we did not build a massive caravel inland then painstakingly dragged it all the way to the coast. We reasoned it made more sense to build it in a dry dock, that way it only requires a tiny push to get it into the ocean.

Wouldn't anyone at NASA think that making a "Space Dock" made sense?. Make a bunch of tiny trips to lower earth orbit and build the ship there, so you can make a larger ships to travel further. Mass would not be such a big issue (granted, fuel would be), but at least the escape velocity problem would be non-existent.

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