robert thompson

The most cold place in the universe turned out to be right in our Earth orbit
Do you know where the coldest place in the universe is located? With human knowledge at the moment, it is Nebula - a nebula located 5,000 light years away.
Why is invisibility cloak hard to come true?
New research by German and New Zealand scientists indicates that invisible coats are easy to detect when the relative speed between the shirt and the observer changes.