We’ve Found Traces Of The Massive Impact That Created The Moon
At long last, scientists have found the chemical fingerprints of Theia, the object the size of Mars which is believed to have crashed into the young Earth, creating debris that later formed the Moon. Above: Artist’s depiction of a Mars-sized body hitting Earth in the solar system’s early history. Credit: CORBIS Evidence for the so-called…
How Turbulence Happens, and Why It’s Not So Scary After All
Turbulence: spiller of coffee, jostler of luggage, filler of barf bags, rattler of nerves. But is it a crasher of planes? Judging by the reactions of many airline passengers, one would assume so; turbulence is far and away the number one concern of anxious passengers. Intuitively, this makes sense. Everybody who steps on a plane…
A Rare Look at the Graffiti-Covered History of NYC’s Subway
In just about every movie set in New York City in the 1970s and 80s there’s an establishing shot with a graffiti-covered subway. Saturday Night Fever That graffiti was like illegible technicolor hieroglyphics—a language that even most New Yorkers couldn’t read. It gave you a sense that the subways controlled by wild gangs of teenagers.…
