Seeing The Patterns In Sound - Science Friday
WEBNov 7, 2016 · Vibrations of D. Credit: Louviere + Vanessa. In the late 18 th century, German physicist and musician Ernst Chladni demonstrated how vibrations could be used to create striking imagery. By spreading fine sand across the top of a metal plate and running a violin bow alongside, Chladni showed that the sand would settle into distinct patterns, depending on the frequencies of the sound waves ...
Paper Airplane Flight Challenge - Science Friday
WEBJun 18, 2021 · Paper Airplane Data Collection Worksheet. Before we start building, we need to prepare to test all of our designs. Find a space in your home where paper airplanes can fly safely. Grab a ruler and use tape to mark every 12 inches along the floor. Use the Paper Airplane Data Collection Worksheet to record the distance of multiple airplane flights.
How Sexual Intercourse Was Invented, 385 Million Years Ago
WEBJun 3, 2022 · Our oldest evidence of penetrative intercourse is about 385 million years old and comes in the form of fossilized remains of the way too aptly named Microbrachius dicki. I know. I know! But believe it or not, M. dicki got its rather pointed moniker from Scottish baker-turned-botanist Robert Dick in the nineteenth century. Mr.
Why Are Honeycomb Cells Hexagonal? - Science Friday
WEBSep 1, 2017 · Scientists use their observations to make sense of the world we live in. When scientists come across a phenomenon and are puzzled by what they observe, such as the hexagonal shape of a honeycomb cell, they will often ask questions and try to understand the phenomenon by forming a “claim.” You have made several observations of …
The Science Behind Cryptid Sightings - Science Friday
WEBOct 29, 2021 · This segment is part of the Spine-Chilling Science spotlight. People around the world have long been fascinated by the idea that there are strange creatures out there, ones that may or may not exist. Tales circulate about cryptids–animals whose existence can’t be proved—like Bigfoot hiding out in American forests, or sea serpents lurking ...
How The Transistor Transformed The World - Science Friday
WEBDec 16, 2022 · Transistors on a circuit board. Credit: Shutterstock 75 years ago this month, research scientists working at Bell Labs first created, then unveiled to the world a new device—the point contact transistor. Some call it the greatest invention of the 20th century. That first transistor was a clunky looking thing, with two gold contacts on a plastic wedge pressed against a crystal of germanium.
Gravity And Centripetal Force In Our Solar System - Science Friday
WEBOct 21, 2022 · Every planet in the solar system is affected by multiple forces. The gravity of the Sun pulls planets toward the center of the solar system. The inertia from the creation of the planets sent them flying in a straight line, perpendicular to the force of the Sun’s gravity. When these forces combine, they result in centripetal forces that push our planets in their circular motion around the Sun.
Relearning The Star Stories Of Indigenous Peoples - Science Friday
WEBSep 6, 2019 · Wilfred is Cree, also known as Ininew, one of Canada’s largest First Nations groups. He’s telling us stories he’s gathered from Indigenous communities across Manitoba—like how the Star Woman saw Earth from another dimension, fell through the hole in the sky, and became the first human on this …
Contact Us - Science Friday
WEBReach out to Science Friday to ask us questions, give us feedback, or request cute cuttlefish pics. Mailing Address. Science Friday. 30 Broad Street, Suite 801. New York, NY 10004. Telephone. Office: 212-840-2244. Call 1-844-724-8255 to ask a question or make a comment during the live radio show (Fridays, 2-4 p.m. Eastern Time).
How Five Elements Define Life On Earth - Science Friday
WEBNov 3, 2023 · Credit: Shutterstock with added elements. Over 99% of a human cell is made up of just five elements: carbon, hydrogen, oxygen, nitrogen, and phosphorus. That same elemental mix exists, with minor variations, in every other living thing on Earth. In his new book, Elemental: How Five Elements Changed Earth’s Past and Will Shape Our Future ...
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