________________ is a process developed by French physicist Joseph Niepce in 1816 that produced a positive copy of an engraving by exposing a glass plate coated with asphaltlike substance

Question

Quizplus · Accepted Answer

Heliography is the correct answer because it refers to the process developed by Joseph Niepce, which involved creating a positive image from an engraving by exposing a coated glass plate to light, where the coating was an asphalt-like substance that hardened in proportion to the light exposure.

________________ Is a Process Developed by French Physicist Joseph Niepce