Technology

Screwdriver

tool

Douglas, James

American engineer

Joost

History, & Facts

Argonne National Laboratory

laboratory, Argonne, Illinois

Shay, Ephraim

American inventor

Video-on-demand

Examples, & Facts

Alkyd Resin

chemical compound

Charabanc

carriage

Baxter, George

British engraver and printer

Planer

metal-cutting machine

Explosive

Types, Examples, & Facts

Maceral

Definition & Facts

Mobile Telephone

Definition & History

Smithing

metalwork

Meissner, Alexander

Austrian engineer

Leclanché, Georges

French engineer