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April 22 – Trees have a theoretical maximum height of 130 m (426 ft) before gravity restricts their growth, according to a study published in Nature. [5]July 30 – Marine biologists from the Monterey Bay Aquarium Research Institute announce in the journal Science the discovery of the genus Osedax, deep sea worms that feed on lipids in decaying whale carcasses.
Pages in category "Products introduced in 2004" The following 38 pages are in this category, out of 38 total. This list may not reflect recent changes. A. ALL.Net;
The Mars Exploration Rovers have provided vast amounts of information by functioning well beyond NASA's original estimates. Using the Wilkinson Microwave Anisotropy Probe, scientists studying the universe measured that its age is 13.77 billion years; "solidly supported" that it has been expanding and cooling since the Big Bang; and calculated that the universe is composed of about 4.6% atoms ...
John McCarthy (Massachusetts Institute of Technology or MIT) invented the Lisp programming language. [58] Herbert Gelernter and Nathan Rochester (IBM) described a theorem prover in geometry. [58] It exploited a semantic model of the domain in the form of diagrams of "typical" cases. [citation needed]
Nvidia releases GeForce 6800, claiming it is the biggest leap in graphics technology the company ever made. Independent reviews show more than 100% increase in productivity compared with the fastest card on the market.
Pages in category "2004 in technology" This category contains only the following page. This list may not reflect recent changes. O. Oil megaprojects (2004)
2004: Ben Green and Terence Tao announce their proof on arithmetic progressions in prime numbers known as the Green–Tao Theorem. 2004: Andre Geim and Konstantin Novoselov isolated graphene, a monolayer of carbon atoms, and studied its quantum electrical properties. 2005: Grid cells in the brain are discovered by Edvard Moser and May-Britt Moser.
In the summer of 2004, venture capitalist Peter Thiel made a $500,001 angel investment in the social network Facebook for 10.2% of the company and joined Facebook's board. This was the first outside investment in Facebook. [249] [250] [251]