John Dunlop invented the pneumatic tubes.
The food of the astronauts are in tubes and daily trays. The food is in tubes as they will float about and be messy, as there is no gravity out there.
scienctists
Float glass was first invented by a company in England called Pilkington Glass.
1904, a diode by Fleming.
Vacuum tube was invented by lee de forest .
Henri Fabre in 1910
The Barbie Doll was invented in Colorado. Root Beer Float's were invented in Coloirado. Jolly Rancher's were invented. And that's all i know of
Weapons invented in ancient China include gunpowder. In the search for an elixir of life gunpowder was discovered accidentally. Initially tubes of it were attached to arrows and these exploded among the enemy. The first artillery used bamboo tubes, soon replaced by metal tubes.
Test tubes was invented by Jhon Flamesteed
The first hot filament diode tube was invented in 1904 by Fleming, the first hot filament triode tube was invented in 1907 by DeForest. However it was not until 1913 that it was determined that high vacuum was actually needed for efficient and reliable operation of these tubes. So true hot filament vacuum tubes were not made and used until 1913.
you find it in mistys gym, near the float tubes at the upper left. hope this helped!