Chips: Polarity of photoresist which permits an iverted image of a photomask:?

Questions

Science Growing plants in liquids rather than soil is known as ?

Science He designed the first feasible automobile with an internal combustion engine.?

Science He invented "bifocal" lenses for eyeglasses.?

Science He is known for his theory of "Evolution".?

Science He transmitted radio signals across the Atlantic in 1901.?