Comparing something to a grain of sand is usually supposed to mean that it’s small or insignificant, but Dr. Gary Greenberg’s microscopic photography aims to turn this stereotype on its head. His photographs of miniscule grains of sands magnified up to 300 times reveal that each grain of sand can be beautiful and unique.
The folks over at Fysikshow decided to take the Rubens’ tube to another level by building a two-dimensional ‘Pyro Board’ with 2500 holes. “Sound waves are transmitted through a flammable gas creating alternating high and low pressure zones. This creates the flame pattern.” (via)
