Who had an explosive idea and first patented DYNAMITE?

Correct Answer: F. Whittle

Correct Answer: The EKG was invented by Willem Einthoven in 1903 and is used to monitor and analyze past and present heart activity in an individual

Correct Answer: Benjamin Franklin

Explanation:

Benjamin Franklin has long been credited with the invention of bifocal lenses and he was the first to wear bifocal lenses. He did not produce them himself but instead had some optician in London or France make them for him to overcome Presbyopia, a condition that Franklin suffered. He was tired switching between lenses for far and near sightedness. And that resulted in inventing Bifocal Lenses.

Correct Answer: Alfred Nobel

Explanation:

Alfred Bernhard Nobel was a Swedish chemist, engineer, inventor, businessman, and philanthropist. Known for inventing Dynamite, Nobel also owned Bofors, which he had redirected from its previous role as primarily an iron and steel producer to a major manufacturer of cannon and other armaments.

Correct Answer: Karl Benz

Correct Answer: Safety Match

Correct Answer: In 1985 the physicist Wilhelm Rontgen discovered X-rays, the "X" signifying their unknown originHe later found that the rays could pass through flesh and by using photographic plates could make images of bones inside the body

Correct Answer: John Dalton

Correct Answer: Eijkman

Correct Answer: Water skis