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Today in Science Blog-Beiträge

Happy Birthday, Ralph Fowler

January 17, 2022

During his career, Ralph Fowler supervised 64 doctoral students at Cambridge University, 3 of whom would become Nobel laureates.

Happy Birthday, Joseph Petzval

January 6, 2022

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?

January 5, 2022

Misconception about electricity: Electrons carry the energy in an electrical circuit. Today, we investigate this theory with simulation.

The Science Behind Lie Detector Tests

December 23, 2021

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

November 23, 2021

Fun fact: The Fibonacci sequence can be found in flowers, pine cones, tree branches, and shells.

Möbius Strips: Where Math Meets Art

November 16, 2021

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

October 26, 2021

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.

Happy Birthday, Adhémar Jean Claude Barré de Saint-Venant

August 23, 2021

The shallow water equations, a derivation of the Navier–Stokes equations, and Saint-Venant’s principle can all be credited to French physicist Adhémar Jean Claude Barré de Saint-Venant.


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