2021
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Google Doodle honoured Otto Wichterle on his 108th birthday He is known for which among the following inventions?
|
|
Radio
|
|
|
Internet
|
|
|
Contact lens
|
|
|
Light bulb
|
Explanation:
Detailed explanation-1: -In 1961, using his homemade device, he developed a spin-casting process that used centrifugal force to forge HEMA into soft, pliable lenses. Wichterle and his wife produced 5, 500 lenses within five months.
Detailed explanation-2: -Wichterle, born in 1913 in Prostejov, the Czech Republic (then, Austria-Hungary), invented the soft contact lens. Over 140 million people around the world wear contact lenses.
There is 1 question to complete.