invisible

A galaxy that humans cannot see collides with the Milky Way but it retains its shape.

Same water, but these water marbles are invisible in the water, while ice is not, why?

Invisibility cloak has long been a dream for the world science community and is a familiar image in science fiction and magic movies. Now, that dream has come true.

British scientists have invented a new material capable of creating an invisibility cloak of Harry Potter characters.

Infrared sensors help us to detect people in the dark because of their heat radiation. But if there is a kind of jacket that heats up, then humans can be completely invisible to