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1994 mathematician develops program to make iris scanning possible.
1981 Flash memory—a type of reusable computer memory stick.
1980 The Sony Walkman, the first portable player for recorded music.
1973 The first handheld cellphone (mobile phone).
1994 Israelis invent VoIP for sending telephone calls over the Internet.
1983 CDs are launched by Sony and Philips corporations.
1971 Electronic ink is pioneered by Nick Sheridon at Xerox.
1991 Linus Torvalds creates Linux, a computer operating system.
1979 James Dyson invents the bagless, cyclonic vacuum cleaner.
1997 Electronics companies agree to make Wi-Fi a worldwide standard.
1981 Patricia Bath develops laser eye surgery for removing cataracts.
1976 Apple I the personal home computer.
1981 The Space Shuttle makes its maiden voyage.
1989 Tim Berners-Lee invents the World Wide Web.
1995 Pierre Omidyar launches the eBay auction website.
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Here is a picture of a computer, one of the major technological developments of recent years.
On the right hand side are a number of these developments from 1970-2000.
Drag and drop the cells on the right onto the picture and the technologies will appear.
Sort these by date order, from the earliest to the latest by dragging and dropping them to the bottom of the list.