Atanasoff Berry Computer ( ABC ) was the first electronic digital computer device conceived or invented in 1937-38 and was first demonstrated in October 1939 and was not successfully tested until 1942.
Orville Wright tested the first airplane.
Currently, nine states possess nuclear weapons.United States - Tested its first nuclear weapon in 1945Russia - Tested its first nuclear weapon in 1949United Kingdom - Tested its first weapon in 1952France - Tested its first weapon in 1960China - Tested its first weapon in 1964India - Tested its first weapon in 1974Pakistan - Tested its first weapon in 1998Israel - Acquired weapons sometime between 1967-1971North Korea - Tested its first weapon in 2009Four states have ended their nuclear programsSouth Africa - de-nuclearized in 1991Belarus, Ukraine, and Kazakhstan - Returned nuclear weapons to Russia in mid-1990s.Nuclear Aspirants, but no nuclear program or weaponsGermany, Canada, Libya, Japan, Argentina, Syria. Sweden, Egypt, South Korea, Switzerland, Iraq, TaiwanFuture nuclear states?IranSee, Peter Beckman et. al, Nuclear Weapons, Nuclear States, and Terrorism (2007), 41.
EMAC in 1947 was the first computer .
the first computer was available in1950 the first computer was available in1950
the computer component not tested by post rutine is the power supply
Atanasoff Berry Computer ( ABC ) was the first electronic digital computer device conceived or invented in 1937-38 and was first demonstrated in October 1939 and was not successfully tested until 1942.
PC. The maker and founder of the game Notch tested it out on a computer so that would be the first device.
it was first tested in April 1973.
When engineers were building the first computer mouse, they did much troubleshooting to better the design. They tested the design for problems and durability.
people try them out and get paied for it
Orville Wright tested the first airplane.
dynamite was first tested in a sand mine in redhill
The first hydrogen bomb "Ivy Mike" was tested in 1952.
The first artificial ice was tested in London, England in December 1841.
At a dealer.
The first Shinkansen came out in 1964.