Is the Elevator Puzzle a Math Paradox or a Paranoid Delusion?

"Pacific Center Building Elevators" by ricardodiaz11

Why is the first elevator you see more likely to be going in the wrong direction? Two physicists reported this phenomenon in 1958. It is sometimes called the “elevator paradox,” but “elevator puzzle” better expresses the surprise or annoyance that everyone feels when faced with an uncooperative elevator that always seems to be going the [...]

San Francisco 1906: Major Earthquake on the San Andreas Fault

Damage to San Francisco's City Hall, April 1906 (photo from USGS)

The 1906 earthquake which devastated San Francisco, on California’s Pacific coast, killed an unknown number of people (estimated to be in the thousands) and was one of the largest recorded on the North American continent. Located on the notorious San Andreas Fault, a major seismic zone at a boundary between two of the earth’s tectonic [...]

A Fresh Start: Hurricanes, Forest Fires, and Renewal Through Disaster

storm clouds

As Hurricane Irene blasts her way through the Bahamas toward North Carolina, and people get ready for the storm season, it’s tempting to think of hurricanes as all bad. Hurricane Damage Let’s be frank. Hurricanes do an amazing amount of damage to ecosystems. At least, they cause what humans perceive to be damage. More about [...]

Steve Jobs Resigns as CEO of Apple: Tim Cook Takes Over

Steve Jobs Resigns as Apple CEO - Image by tsevis

Steve Jobs has resigned as CEO of Apple – an act with the potential to rock the tech world, and the future of consumer electronics and personal computing. Will Apple be able to maintain the same level of quality and innovation with a new CEO? Only time will tell. What Lies Ahead for Steve Jobs? Steve [...]

How Unusual Was the Virginia Earthquake of August 2011?

5.8 Virginia Earthquake Map, courtesy of the USGS

The earthquake which struck the state of Virginia on 23 August, 2011 was the second largest ever recorded in the state. At a magnitude of 5.8, it fell just short of the tremor which struck Giles County in 1897, which is reported by the United State Geological Survey (allowing for the changes in earthquake measuring [...]