Editing 1994 in science (section)

==Technology==
* May 6 – The [[Channel Tunnel]], which took 15,000 workers more than seven years to complete, officially opens between England and France; it will enable passengers to travel by rail between the two countries in 35 minutes.
* August 16 – The world's first [[smartphone]], the [[IBM Simon]], goes on sale.<ref>{{cite web|title=World's first 'smartphone' celebrates 20 years|url=https://www.bbc.co.uk/news/technology-28802053|website=BBC|date=15 August 2014|accessdate=17 August 2014}}</ref>
* The first high-brightness [[LED lamp|blue LED]] is achieved, an invention that earns the researchers a Nobel Prize in 2014.<ref>{{cite news|last=Overbye|first=Dennis|authorlink=Dennis Overbye|title=Nobel Prize in Physics|url=https://www.nytimes.com/2014/10/08/science/isamu-akasaki-hiroshi-amano-and-shuji-nakamura-awarded-the-nobel-prize-in-physics.html|date=7 October 2014|work=[[The New York Times]]|accessdate=7 October 2014}}</ref>
* [[QR code]] invented by Japanese company [[Denso]].