Portal:Science/Did you know
From Wikipedia, the free encyclopedia
...that Abbott Lawrence Rotch established the Blue Hill Meteorological Observatory in 1885, which maintains the longest-running meteorological record of any observation site in the United States?
...that silica aerogel holds 15 entries in the Guinness Book of Records for material properties, including best insulator and lowest-density solid?
...that acoustic levitation is a method for suspending matter in a fluid by using acoustic radiation pressure from intense sound waves in the medium?
...Necrotizing fasciitis is a rare infection of subcutaneous tissues that results in the necrosis of the flesh?
...Napalm-B used in the Vietnam War was synthesized with only three ingredients: polystyrene, gasoline, and benzene?
...that a laser harp is an electronic musical instrument consisting of several laser beams that are blocked to produce sound?
[edit] Archive
Add most recent archives at the top.
...Active noise canceling headphones, use circuitry to produce destructive wave interference to attenuate background sound?
...that the 2004 Christmas Eve Snowstorm was the most significant snow event for South Texas since 1895?
...of the Expert Patient Programme of the British National Health Service?
...that walking fish can actually skip, crawl, slither, and even climb trees?
...that the Northern Red-legged Frog is a near-threatened species, whose male defends breeding pond territory with nocturnal displays?
...that the Witch's hat is the common name of a colourful orange-red toadstool?
...that Grandi's series 1 − 1 + 1 − 1 + · · · is divergent and appears to equal 0, yet in some sense "sums" to 1⁄2 — a paradox once linked to the creation ex nihilo of the universe?
...that Derek Freeman was an anthropologist whose refutation of Margaret Mead's work "ignited controversy of a scale, visibility, and ferocity never before seen in anthropology"?
...that the New Year's Eve snowstorm of 1963/1964 dropped over 17 inches of snow at Huntsville, Alabama, simultaneously setting new snowfall records for any day, week, or month in their history?
...that Scientists and Engineers for America is an organization focused on promoting sound science in government, and backing political candidates who support science and its applications?
...that the Leningrad War to glue pieces of a damaged liver together?
...that the two human atria do not have valves at their inlets?
...that coloration is a property of loudspeakers that causes the speaker to continue to emit sound when an electrical signal stops?
...that light in a plasma display is created by phosphors excited by the ultraviolet radiation emitted by a plasma discharge between two flat panels of glass?
...that the Great Appalachian Storm of November 1950 led to wind gusts in excess of 100 mph/87 knots across New York, New Jersey, and New England? ...that the Christmas 1994 Nor'easter led to wind gusts of 99 mph/86 knots in Massachusetts, and briefly formed an eye?
...that the Thanksgiving 1984 Nor'easter deposited a 197-foot Venezuelan freighter in the backyard of a Palm Beach, Florida socialite, where it remained for several months?
...that the Late November 2006 Nor'easter caused winds up to 80 mph (70 knots) in the Outer Banks of North Carolina, the earliest snowfall on record for Savannah, Georgia and Charleston, South Carolina, as well as Charleston, South Carolina's only occurrence of thundersnow on record?
[edit] Nominations
More "Did you know"s can be nominated here. General guidelines for nominations, loosely based on Wikipedia:Did you know include:
- Pick DYKs in articles that are interesting.
- Look for articles that are over 1,000 characters in size - no stubs.
- The "Did you know?" fact must be mentioned in the article.
- Try to select articles that cite their sources, particularly the item mentioned.
Updates. Rfrisbietalk 03:31, 3 December 2006 (UTC) Update. Rfrisbietalk 21:23, 3 December 2006 (UTC)
