
Wednesday, January 30, 2008
Subscribe to:
Post Comments (Atom)
![]() ![]() The Electromagnetic SpectrumThe electromagnetic spectrum is the total range of frequencies or wavelengths of electromagnetic radiation—self-propagating waves of energy that result from the acceleration of electric charges. The spectrum ranges from waves of long wavelength, or low frequency, to those of short wavelength, or high frequency, and includes radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays. In a vacuum, these waves all travel at what speed? More... Discuss |
![]() ![]() Downed US Air Force Pilot Rescued in Bosnia (1995)On June 2, 1995, US Air Force pilot Scott O'Grady was enforcing a NATO no-fly zone over Bosnia when his F-16 was hit by a surface-to-air missile. He ejected and, for the next six days, survived in the wilderness by eating leaves and ants. During that time, he avoided capture by Serb patrols and made contact with US forces. The Marines then mounted a daring rescue and brought him home. The 2001 film Behind Enemy Lines is loosely based on O'Grady's ordeal. Why did he sue the filmmakers? More... Discuss |
![]() ![]() Francis Harry Compton Crick (1916)While working in a research lab at Cambridge after WWII, Crick helped discover the molecular structure of DNA. It was one of the most important scientific findings of the century, and he shared the 1962 Nobel Prize in Physiology or Medicine for his work. He also clarified how cells use DNA to build proteins. During WWII, he was deflected from his original course of research after a bomb hit his lab. Crick later said he had been studying "the dullest problem imaginable" at the time. What was it? More... Discuss |
incumbency discuss | |
Definition: | (noun) The term during which some position is held. |
Synonyms: | tenure, term of office |
Usage: | During his incumbency, President Franklin Delano Roosevelt instituted the New Deal to counter the Great Depression. |
![]() ![]() John F. Kennedy (1917-1963) Discuss |
5 comments:
Yes,he does look serious,or annoyed by Grandma's photo taking...LOL!!
He's a handome young man - Happy WW :-)
He looks so serious!
He looks to me like he's trying not to smile but is about to despite himself.
Patty, what a good-looking young man! I guess good looks run in the family.
Cute kid. He's a good looking young man. Happy WW!
Totally Worn Out
The Future Pianist
Post a Comment