International Asteroid Day

International Asteroid Day is observed every year on June 30th. Also known as National Meteor Watch Day, on a cloudless night, STEMists turn their eyes to the sky in hopes of spotting the glow of a falling star. What is an Asteroid? Asteroids are small, rocky objects that orbit the sun. Asteroids orbit the sun like planets, but they are …

Groovy History: Roller Coasters

The first American roller coaster was actually a railway. The Mauch Chunk Switchback Gravity Railway (shown above) was built in the mountains of Pennsylvania in 1827. The track, originally built to send coal to the bottom of a hill, relied on mules to haul the empty cars back to the top of the hill. During non-peak hours, for one dollar, …

The Boy Who Harnessed the Wind

William Kamkwamba was born August 5, 1987, in Malawi, a country where magic ruled and modern science was a mystery. At the time, a land suffering from drought and hunger. But William read about windmills and dreamed of building one that would bring to his small village. A set of luxuries that only 2% of Malawians could enjoy: electricity and …