February 27 – While trying to circumnavigate the world in a hot air balloon, Colin Prescot and Andy Elson set a new endurance record after being in their balloon for 233 hours and 55 minutes.
March 3–20 – Bertrand Piccard and Brian Jones successfully complete a non-stop circumnavigation of the world in a hot air balloon.
July 28 – Partial lunar eclipse, visible from Australia, eastern Asia, and western North America.
July 31 – NASA intentionally crashes the Lunar Prospector spacecraft into the Moon, thus ending its mission to detect frozen water on the Moon's surface.
August 11 – Total solar eclipse, visible from Europe, across the Middle East, and ending in India.
September 21 – David Bowie's Hours becomes the first complete music album by a major artist available to download over the Internet in advance of the physical release.[2]
First working 3-qubit NMR computer demonstrated at IBM's Almaden Research Center. First execution of Grover's algorithm.
August 17 – The 7.6 Mwİzmit earthquake shakes northwestern Turkey with a maximum Mercalli intensity of IX (Violent), leaving 17,118–17,127 dead and 43,953–50,000 injured.
History of science and technologyedit
Boris Chertok publishes «Ракеты и люди» (Rockets and people), a history of the Soviet rocket program.
^Merritt, David (1999). "Black holes and galaxy evolution". In Combes, F.; Mamon, G. A.; Charmandaris, V. (eds.). Dynamics of Galaxies: From the Early Universe to the Present. Publications of the Astronomical Society of the Pacific. Vol. 197. pp. 221–232. arXiv:astro-ph/9910546. Bibcode:2000ASPC..197..221M. ISBN 978-1-58381-024-8.
^Cummings, Sue (1999-09-22). "The Flux in Pop Music Has a Distinctly Download Beat to It". The New York Times. Retrieved 2013-11-01.
^DiNucci, Darcy (1999). "Fragmented Future" (PDF). Print. 53 (4): 32. Archived (PDF) from the original on 2011-11-10. Retrieved 2011-11-04.
^Crilly, Tony (2007). 50 Mathematical Ideas you really need to know. London: Quercus. p. 117. ISBN 978-1-84724-008-8.
^Randall, Lisa; Sundrum, Raman (1999). "Large Mass Hierarchy from a Small Extra Dimension". Physical Review Letters. 83 (17): 3370–3. arXiv:hep-ph/9905221. Bibcode:1999PhRvL..83.3370R. doi:10.1103/PhysRevLett.83.3370.
^Randall, Lisa; Sundrum, Raman (1999). "An Alternative to Compactification". Physical Review Letters. 83 (23): 4690–3. arXiv:hep-th/9906064. Bibcode:1999PhRvL..83.4690R. doi:10.1103/PhysRevLett.83.4690. S2CID 18530420.
^Lucas, R. J.; Freedman, M. S.; Muñoz, M.; Garcia-Fernández, J. M.; Foster, R. G. (1999-04-16). "Regulation of the mammalian pineal by non-rod, non-cone, ocular photoreceptors". Science. 284 (5413): 505–507. Bibcode:1999Sci...284..505L. doi:10.1126/science.284.5413.505. ISSN 0036-8075. PMID 10205062.
^Amir, Ruthie E.; Van den Veyver, Ignatia; Wan, Mimi; Tran, Charles; Francke, Uta; Zoghbi, Huda Y. (1999). "Rett syndrome is caused by mutations in X-linked MECP2, encoding methyl-CpG-binding protein 2". Nature Genetics. 23 (2): 185–8. doi:10.1038/13810. PMID 10508514. S2CID 3350350.