The Netherlands’s relationship with water is unlike that of any other country in the world. Here are some interesting facts and figures about how water has shaped the Dutch landscape, culture and ...
Sound as we know it does not exist in space. That’s because, on Earth, sound mainly travels to our ears via vibrating air molecules. Because space is a vacuum, meaning there is no matter at all ...
Learn more with our fun facts of the day! Because space is nearly a perfect vacuum, there's not enough air molecules for sound waves to travel. The only exceptions are sounds within a spacesuit or ...