Technology

Quenching

materials processing

Bell, Henry

Scottish engineer

Bakelite

chemical compound

Rankine Cycle

physics

Chandler, Norman

American publisher

Thimble

Hennebique, François

French engineer

Bluetooth

Uses, History, & Facts

Drill

tool

Bowline

knot

Hard Disk

Definition & Facts

Project Gutenberg

History, & Facts

Fulton, Robert

Biography, Inventions, & Facts

Ramsden, Jesse

British tool maker

Ironclad

ship

Ramjet

aviation