Monday, March 16, 2009
Upside-down 'lifestyle'
Barany chair
3rd Aviation Instruction Center. Issoudun, France. Medical research falling test. “William Holland Wilmer, Barany Chair Test. Robert Barany won 1914 Nobel prize for caloric nystagmus work. Pilot candidate (in chair) is recovering from spin administered by William Hollard Wilmer, director of 3rd Aviation Instruction Center, Issoudun , and donor of Wilmer ophthalmoscope collection. – A. Noe, Assistant Director for Collections and Research, 4/15/1991.” [Now director of the museum.]
Giant Eyes
Randolph Field, TX. Cpl. Charles F. Morris of Bristow, OK, an assistant instructor of aviation medical examiners at the US Air Force School of Aviation Medicine. These two giant specimens are used in classes to teach the fundamental actions of the muscles used by the eyes and they even light up in real life fashion. Moved by two small motors, the large-sized eyes also enable large groups to see its actions in classroom discussions, and are another of the instruments developed by aero medical researchers in the continuing program of aviation medicine. Pilot has to forget the body, use only his sight.
Friday, March 13, 2009
Home-made roller coaster
John Ivers of Bruceville, Indiana built his own roller coaster featuring a 360-degree loop. The Blue Flash cost $1500 and took a year and a half to build using trial and error. The 180-foot long home-made roller coaster constructed in his backyard goes “over the tool shed, under the elm tree, and around the rose bushes - all in 30 seconds”.
Sunday, March 8, 2009
Friday, March 6, 2009
Above: Soldier testing environmental suit in varying weather conditions, and air conditioned suit in 165 degree heat.
Below: Man working on large air conditioning units which are used for environmental testing of military equipment.
Life
Thursday, March 5, 2009
Prandtl–Glauert singularity
Rapid condensation of water-vapor due to a sonic shock produced at sub-sonic speed creates a vapor cone (known as a Prandtl–Glauert singularity), which can be seen with the naked eye.
Wednesday, March 4, 2009
David "Bullet" Smith
Tuesday, March 3, 2009
Fire in Microgravity
On Earth, gravity determines how the flame burns. All the hot gases in the flame are much hotter (and less dense) than the surrounding air, so they move upward toward lower pressure. This is why fire typically spreads upward, and it's also why flames are always "pointed" at the top. If you were to light a fire in a microgravity environment, say onboard the space shuttle, it would form a sphere!
Monday, March 2, 2009
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