Sentences with phrase «laser shots per»

Not exact matches

That's why, back on Earth, a 100 gigawatt laser will shoot into the sky and dump enormous amounts of energy into this sail, accelerating the craft to 20 per cent of light speed — enough to coast the 4 light years to Alpha Centauri in 20 years.

By shooting out millions of laser pulses per second and measuring how long it takes for them to be reflected back to the sensor, the car's computers can build an accurate map of its surroundings.