US Navy
Usno: Daylight Time
From the U.S. Naval Observatory, a brief history of daylight savings time including information of the passage of the Energy Policy Act of 2005 which changed the date from the first Sunday in April to the second Sunday in March starting...
Institute for Dynamic Educational Advancement
Web Exhibits: Daylight Saving Time
Why in the world do we turn our clocks forward in the Spring and back again in the Fall? Share with your students the rationale and history of the Daylight Saving Time concept from Benjamin Franklin through World War I and World War II...
Other
Time and Date: Daylight Saving Time Dst
Daylight Saving Time is a way of making better use of the daylight in the evenings by setting the clocks forward one hour during the longer days of summer, and back again in the fall. To remember which way the clock goes, keep in mind...
NASA
Nasa: Two Special Girls Use Nasa Spacesuit Technology
Seeking a broader use for spacesuit technology, Johnson Space Center scientists work with two girls who have "xeroderma pigmentosum", a disease that prevents them from tolerating exposure to sunlight or even bright indoor lighting. Using...