Super glue was discovered in 1942 by Kodak (Coover/Joyner) during experiments to make plastic for gun sights. Though that effort failed, it was discovered that the cyanoacrylates glued many things quickly. Kodak quickly developed Eastman #910, calling it "Super Glue".
When did he discovered? Do you mean what? He discovered Yellow Fever was transmitted by mosquitoes. And if you mean when did he discover it, then the answer you are looking for is he led a research team that discovered this in 1900.
J.J.Thomson has discovered the electron in 1897
It is not known where exactly in England sodium was discovered. It was discovered by Sir Humphrey Davy in 1807.
Alexander Fleming discovered penicillin in 1928
China
A young gun is a rising talent or a newly-discovered prodigious star in his or her field.
700 yrs ago, give or take.
Dr. Harry Coover discovered it while he was researching acrylic for aircraft gun turrets for 3M.
It was not discovered, it was invented (made) by Hiram Maxim.
Yes. You can get the thunder gun on moon, the problem is that it has never been discovered.
I was going to fight back until I discovered the robber weilded a gun.
China was the first to discover gun powder, is that what you mean.
Video games weren't "discovered", they were designed.
They first discovered gun powder in the 13th century while visiting China.
The trebuchet stopped being used when the rulers discovered gun powder and the trebuchet lost fame and was forgotten.
they killed hitler with a bb gun and discovered chili