1831 – Michael Faraday discovered electromagnetic induction which is used in power generation and power transmission by generators, transformers, induction motors, electric motors, synchronous motors, and solenoids.
In 1965 – Astronaut L. Gordon Cooper, orbiting 100 miles above the Earth in Gemini 5 talked with aquanaut M. Scott Carpenter in Sealab II, 205 feet below the surface of the Pacific Ocean. It happened to be Cooper’s wedding anniversary.
In 1990 – The British Computer Misuse Act went into effect. The Act resulted from a long debate in the 1980s over failed prosecutions of hackers.