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Everyday Inventions That Came From the Military
From the GPS in your phone to the microwave in your kitchen, many of modern life's greatest conveniences began as top-secret military projects.
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Everyday Inventions That Came From the Military 
10. The Wristwatch Was Born In The TrenchesSoldiers strapped pocket watches to wrists to synchronize deadly artillery barrages. 
9. Canned Food Fueled Napoleonic ArmiesNapoleon offered a 12,000-franc prize to keep marching troop rations from rotting. 
8. The EpiPen Countered Nerve Gas AttacksEngineered for battlefield soldiers to rapidly counter lethal chemical nerve gas. 
7. Super Glue Was An Accidental Weapons FailInvented for clear plastic gunsights, then sprayed on bleeding battlefield wounds. 
6. Aviators Shielded WWII Fighter PilotsCommissioned for fighter pilots to block blinding high-altitude glare and headaches. 
5. Duct Tape Kept Ammunition Cases DryFormulated in 1942 to seal military ammunition cases against water and dust. 
4. The Jeep Invented The Modern 4x4 SUVEngineered in 1940 as a rugged lightweight reconnaissance scout for Allied troops. 
3. The Microwave Oven Melted A Radar Engineer's CandyPercy Spencer discovered it when military radar magnetrons melted his candy bar. 
2. The Internet Started As A Defense NetworkBuilt by DARPA in 1969 to preserve communication during a nuclear strike. 
1. GPS Was Built To Guide Nuclear MissilesLaunched by the Pentagon in 1973 to guide intercontinental nuclear missiles.
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