Today in Science Blog Posts
Happy Birthday, Norbert Rillieux
Sugar has been around for centuries, but the revolution in sugar processing occurred less than 200 years ago. Learn about the life and work of the engineer behind this revolution.
Happy Birthday, Ralph Fowler
During his career, Ralph Fowler supervised 64 doctoral students at Cambridge University, 3 of whom would become Nobel laureates.
Happy Birthday, Joseph Petzval
In 1840, this Hungarian physicist introduced a lens design that could gather more than 20 times as much light as lenses used in earlier cameras.
How Long Does It Take an Engineer to Turn on a Light Bulb?
Misconception about electricity: Electrons carry the energy in an electrical circuit. Today, we investigate this theory with simulation.
The Science Behind Lie Detector Tests
Polygraph machines accurately monitor cardiovascular, respiratory, and electrodermal activity. But can they really determine whether a subject is being deceptive?
5 Fun Facts to Celebrate Fibonacci Day
Fun fact: The Fibonacci sequence can be found in flowers, pine cones, tree branches, and shells.
Möbius Strips: Where Math Meets Art
The Möbius strip was simultaneously and independently discovered by two German mathematicians in the 1850s. Today, this one-sided object is found in tools, art, nature, and more.
Extracting DNA: From Pumpkins to Mammoths
Here, we go over how to recover DNA from a pumpkin using a simple experiment, as well as how scientists made a recent breakthrough in DNA extraction research.