Editing 1975 in science (section)

==Computer science==
* January – [[Altair 8800]] is released, sparking the era of the [[microcomputer]].
* March 5 – [[Hacker (hobbyist)|Hacker]]s in [[Silicon Valley]] hold the first meeting of the [[Homebrew Computer Club]].
* April 4 – [[Bill Gates]] and [[Paul Allen]] form a company at this time called [[Microsoft|Micro-Soft]] in [[Albuquerque, New Mexico]], to develop and sell their [[Altair BASIC]] [[Interpreter (computing)|interpreter]] software for the Altair 8800.<ref>{{cite magazine|url=https://www.wired.com/2008/04/dayintech-0404/|title=April 4, 1975: Bill Gates, Paul Allen Form a Little Partnership|newspaper=Wired.com|access-date=2016-01-25|last=Alfred|first=Randy}}</ref>
* The [[MOS Technology 6502]] is introduced. An 8-bit [[microprocessor]] designed by a small team led by [[Chuck Peddle]] for [[MOS Technology]], it is, by a considerable margin, the least expensive full-featured microprocessor on the market.