What Enrico Fermi invented?

What Enrico Fermi invented?

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1) Who was the first American female to patent her invention, a method of weaving straw with silk?

2) What invention caused many deaths while testing it?

3) Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?

4) The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?

5) In which decade was the transistor invented?