The float tube was invented in the 1950's by a fisherman. Float tubes were around for 30 years before they gained popularity in the 1980's.
it was invented in 1202
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.
Lee De Forest invented vacuum tubes.
1904, a diode by Fleming.
Vacuum tube was invented by lee de forest .
Henri Fabre in 1910
Vacuum tubes were invented on November 16, 1904. The inventor was British engineer, John Ambrose Fleming. He died in 1945 at the ripe old age of 90.
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