Answer:
Nanotechnology, also shortened to nanotech, is the use of matter on an atomic, molecular, and supramolecular scale for industrial purposes.
Explanation:
The steel drum is believed to be the only non-electronic, acoustic musical instrument invented in the 20th century.
Joseph Nicephore Niepce worked on the invention with his brother, Claude. Once Claude had moved to England, Joseph worked on the camera on his own, due to the huge craze of lithography. He began printing with lithographic printmaking because he couldn't do it by hand.
