Question 36 :
Who invented Bicycle?
Question 37 :
In which decade with the first transatlantic radio broadcast occur?
On December 12, 1901, a radio transmission received by Guglielmo Marconi resulted in the first transmission of a transatlantic wireless signal (Morse Code) from Poldhu, Cornwall, to St. John's, Newfoundland.
Question 38 :
In the 1700s, who would pay the postage fee for letters before the stamp was invented?
Later in 1840, Rowland Hill invented the stamp, which was paid for by the sender, not the receiver.
Question 39 :
Who synthesized the first wholly artificial gene?
Question 40 :
FROZEN FOOD - Who discovered the first practical method of freezing food?
In the 1920s Clarence Birdseye discovered that if food was flash-frozen under pressure, it would freeze without the formation of ice crystals.