You have probably seem one of the most famous paintings created by Dali, "The Persistence of Memory", also known as ''Soft Watches'', representing watches that are melting. When you see its presentation, you have no idea that it's only the size of a large envelope (10'' by 33'' or 24 by 33 cm) despite the impressive precision of detail.
On May 6th, 2010, The New York Stock Exchange suffered its first "Flash Crash". It fell by almost 1000 points before regaining 600, all in just 10 minutes. This very short but intense crash, virtually bankrupting major multinationals, was caused by high-frequency trading, based on automated sales algorithms which created a chain reaction.
There exists a certain confusion between the meanings of numbers and statistics: a number is a symbol, and a statistic represents a quantity. We use statistics to represent numbers just as we use letters to create words. Therefore, when we say 2 oranges, 2 is the amount representing the number.
Lightning rods and surge protection are different devices with different functions : the lightning rod is used to channel lightning to earth in a direct impact on a structure to protect it from fire for instance, while the SPD is to prevent surges in power lines and telecommunications.
The Kingda Ka is the highest roller coaster in the world and one of the fastest ever recorded. Passengers are propelled by a hydraulic motor to speeds of 206km/h in 3.5 seconds. The train climbs vertically more than 139 meters, then plummets down a 90-degree angle at 99 miles/h. This wild ride is found at Six Flags Great Adventure in the USA.
This protein was discovered in 1996 by a biologist who loved the Sega Sonic Hedgehog character. In searching for a name of this newly discovered protein, the researcher decided to name it the Sonic Hedgehog. This protein plays an essential role in the embryonic skeletal development.