Scientists shot a long copper wire into a lightning-prone cloud using a small rocket. The generated lightning followed the wire down to the ground, allowing the researchers to record the sound waves of the resulting thunder. The green flashes are caused by the intense heating of the copper wire.

Posted 8 years ago by SandraN in category: science   Comments (0)

Art of work created by 500 students in Japan in 3 weeks

Posted 13 years ago by Yellow in category: impressive   Comments (1)

What are the odds?

Posted 8 years ago by boyt in category: sports   Comments (0)

Surely you will recognize a lot of this

Posted 11 years ago by boyt in category: funny   Comments (2)

Make it correct.

Posted 8 years ago by boyt in category: interesting   Comments (2)