How are GIFs made?

GIF is the same as gif, it's just that it has been capitalized.

The first solar cell was made by Charles Fritts in 1883. He created junctions by putting a very thin coat of gold on selenium.

polythene is is a thermoplastic commodity heavily used in consumer products (notably the plastic shopping bag). Over 60 million tons of the material are produced worldwide every year..

2 Satellites are complex machine designed for a specific purpose, in the same way as aircraft carriers, and large jet liners. And their manufacture utilizes the same techniques. The vacuum...

fiberboard and chipboard are basically a bunch of sawdust glued together and pressed. plywood is multiple thin sheets of wood glued together cross-grained and pressed.