A kite is a tethered aircraft. The necessary lift that makes the kite wing fly is generated when air flows over and under the kite's wing, producing low pressure above the wing and high pressure below it. This deflection also generates horizontal drag along the direction of the wind. The resultant...
Umbrella Day is in honor of one of the world's most invaluable inventions. On a rainy, day, we are sure glad that someone was smart enough to invent it. It's also increasingly popular to use umbrellas to shade ourselves from harmful UV radiation, and the heat of the sun. Umbrellas come in...
Today isn't a favorite for many people -- not only are income taxes due today, so are quarter estimated federal income taxes. And, it's the anniversary of the sinking of the Titanic. Bruce Novotny says he created “National That Sucks Day' to “reflect on the many things that suck in life,...
On Be a Dork Day there's no need for prim and proper, instead it's a day to disregard what others think and let your inner dork out for the day. This holiday can be taken literally to mean acting all goofy and clumsy, or alternatively, it can mean doing something you've always wanted to do, but...
International Friendship Day is a day for celebrating friendship. The day has been celebrated in several southern South American countries for many years, particularly in Paraguay, where the first World Friendship Day was proposed for 30 July 1958. On 27 April 2011 the General Assembly of the...
Feast of the Holy Innocents, also called Childermas, or Innocents’ Day, festival celebrated in the Christian churches in the West on December 28 and in the Eastern churches on December 29 and commemorating the massacre of the children by King Herod in his attempt to kill the infant Jesus...
