Who invented the post-it note? When was the post-it note invented?
From the accidental invention of a pressure sensitive adhesive to current post-it notes, the road wasn’t quite easy. In 1968, Spencer Silver, an American scientist, developed the reusable adhesive and was searching for a marketable use for the invention. In 1974, Arthur Fry came up [...]
Nowadays there is more music around than ever and everybody is aware that music plays a significant role, influencing our state of mind.
Scientists say that is all about vibration. All atomic matter vibrates and the human body makes no exception. Cymatics proves that the sound has an astonishing effect over matter, being able to create [...]