Ultraviolet light affects humans adversely in two specific ways: by damaging the retina, and by altering skin cells so that they become cancerous. ... Dangers of Ozone Depletion Ultraviolet light consists of the "fastest-moving- photons: this refers to their periodic or wave-like speed rather than their objective speed, which, like all other wavelengths of light, is around 3x108 m/s. ... The human body has a system in place to protect somewhat against ultraviolet light, which involves the release of melanin and pigments into the epidermis. This blocks most UV light from reaching cells deep...

• Word Count: 1616
• Approx Pages: 6
• Grade Level: Undergraduate

He concentrated on the study of light. He wanted to understand what light is, how it works, and how humans see objects. He is the one who discovered that light travels in a straight line and that the speed of light is finite. He published his book Book of Optics, where he stated his famous vision theory that every point on the object being viewed emits rays of light that travel to the viewer's eye. ...

• Word Count: 989
• Approx Pages: 4
• Grade Level: High School

Being what communication was in the speed of foot not all were aware of the new calendar and for this these people's were considered backwards folk or country folk and would be labeled fools bu the more informed general public. ... For instance Scotland the light parody of the "April fish- the origin of the (Kick me I'm Stupid ) sign hung on some ones back side can be traced to the scotts. ... Modern day pranks can be as elaborate as wells and locke, a practicing actor by the name of Joe Skaggs currently holds the top position of a joke at the currant time is responsible for the ...

• Word Count: 2369
• Approx Pages: 9
• Grade Level: High School

The Mongol warrior rode light, wore quilted armor and a silk shirt underneath. ... They could march at great speed over any terrain and out mauver the European armies, giving themselves the advantage of choosing the field of battle. ...

• Word Count: 1059
• Approx Pages: 4

PEOPLE: FDR - President during WWII Truman - President who decided to drop atomic bombs on Japan Churchill - British Prime Minister Eisenhower - Supreme Allied Commander of the Allied troops in D-Day MacArthur - General who returns to Philippians - Supreme Allied Commander in the Pacific Rommel - General in charge of Afrika Korps Hitler - poorly educated Austrian; joined German workers party, became leader, changed name to Nazi; became Dictator of Germany Mussolini - in Fascist Party; declared himself Dictator of Italy Tojo - Dictator of Japan Stalin - Dictator of USSR F...

• Word Count: 945
• Approx Pages: 4
• Grade Level: Undergraduate

These entitlements are very expensive for the employer, not including the training time required to bring the new employee up to speed. ... It makes perfect sense and makes one wonder why no one in American government has brought this to light. ...

• Word Count: 1243
• Approx Pages: 5
• Grade Level: High School

We also learned that France is home to the Ariane space rocket and Airbus Industries, and the boasts the world's most extensive high-speed train network. ... On our way to the hotel, I noticed that the weather was fairly pleasant with women dressed in bright dresses and men wearing light summer suits. ...

• Word Count: 2516
• Approx Pages: 10
• Grade Level: High School