Daily Content Archive

(as of Wednesday, June 22, 2011)
Word of the Day

coincident

Definition:(adjective) Occurring or operating at the same time.
Synonyms:co-occurrent, concurrent, simultaneous
Usage: "You will observe," said Holmes, laying down the volume, "that the sudden breaking up of the society was coincident with the disappearance of Openshaw from America with their papers."
Article of the Day

Tachyons

According to the theory of relativity, particles having nonzero rest mass can approach, but not reach, the speed of light, as their mass would become infinite at that speed. On the other hand, particles with zero rest mass, like photons, always travel at the speed of light. Theorists have argued that nothing in principle prohibits the existence of a third class of particles, named tachyons, whose velocity always exceeds that of light. What effect would a loss of energy have on a tachyon's speed? More...
This Day in History

Kodak Announces Discontinuation of Kodachrome Film (2009)

Manufactured by Kodak from 1935 to 2009, Kodachrome was the first commercially successful color film and was used to capture some of the most iconic images of the late 20th century. The film was known for its stability—if stored properly, it could be developed decades after being exposed and would retain its color and density for decades. Yet, advances in digital photography and the development of competing films considerably reduced demand. What famous images were recorded on Kodachrome? More...
Today's Birthday

John Herbert Dillinger, Jr. (1903)

Raised in Indiana by a widowed father, Dillinger served a prison term for attempted robbery, then organized a gang and terrorized the Midwest in 1933. He became one of the most notorious criminals in the US. The infamous bank robber escaped jail twice, was involved in 16 killings, and was declared "public enemy number one" before being killed on a Chicago street by FBI agents at the age of 31. He was so well-known that at the scene of his death, bystanders collected what macabre souvenirs? More...
Quotation of the Day
It takes your enemy and your friend, working together, to hurt you to the heart: the one to slander you and the other to get the news to you.

Mark Twain (1835-1910)

Idiom of the Day

at a (single) stroke

All at once, with a single decisive or powerful action. More...
Today's Holiday

Lajkonik (2017)

The most popular folk festival in Kraków, Poland, Lajkonik is believed to commemorate the horseman who carried the news of the Tartar defeat during the 13th-century Tartar invasions. A bearded horseman in oriental costume riding a richly draped wooden hobby-horse—the Lajkonik—collects money from the crowds lining the streets, tapping each donor with his rod to bring them good luck. Eventually he ends up in the market square, where he dances for the assembled dignitaries and receives from them a sack of money and a glass of wine, which he consumes after toasting the well-being of the city. More...
In the News

Portable Pools Pose Drowning Danger

During the summer months, many turn to swimming to keep cool, and while parents are generally informed about the dangers posed by in-ground pools, they are often unaware of the dangers of portable pools, such as wading pools and inflatable pools. Between 2001 and 2009, more than 200 children drowned in portable backyard pools in the US. Almost all of the victims were under 5 years old, and though most were in their own yard at the time, fewer than half were being supervised by adults. The findings underscore the need to take proper safety precautions and supervise children around all pools. More...
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