Technology

Ultrasonic Levitation Experiment

The levitation for scientists using help of a standing sound waves work since the 1970s. Since last century it become one big problem it was not possible to lift the object larger than the length of the used sound wave. But in the end we managed to work around it.

Universe

7m meteorite fell off the coast of Brazil. It could destroy an entire city

As reported by NASA, in early February near Rio de Janeiro fell over 7 meter chunk of space rock. Nothing has happened to anyone, but as the researchers stress-become a can. The problem with the meteorites this size is such that, unlike larger objects it is impossible to predict their impact with the ground.