14 things you may not know about the universe
If humans do not wear protective gear in the universe, the water in their mouths, eyes and soft tissues will evaporate instantly, while the skin burns badly from exposure toAdmire the theater masterpiece of the ancient Greeks
Despite the huge scale, the people in the last row of the ancient Greek theater could hear the sound from the stage 60 meters away.One-way audio transmission device
American engineers invented the first device capable of eavesdropping