Science Friday
WEB4 days ago · The Hidden Physics In Van Gogh’s ‘The Starry Night’. When scientists analyzed the swirls in the famous painting, they found Van Gogh depicted forces of nature with startling accuracy. Science Friday is your trusted source for news and entertaining stories about science. It's brain fun for curious people.
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.
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 Did The Bang Theory Come About? - Science Friday
WEBJan 14, 2022 · In fact, the term ‘Big Bang’ was coined by a prominent physicist in 1949 to mock the idea. In the middle of the 20th century, researchers in the field of cosmology had two warring theories. The one we would come to call the Big Bang suggested the universe expanded rapidly from a primordial, hot, and ultra-dense cosmos.
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 Of Sunlight And Shadows - Science Friday
WEBOct 27, 2022 · For 4.5 billion years, the Sun has generated energy to power the solar system. Visible light is the most obvious form of that energy. Every day the Earth turns, and the new day starts with sunlight. Here on Earth, the Sun’s light causes day and night, shadows, eclipses, and seasons. As the Earth moves on …
Make a Kite With Physics - Science Friday
WEBFeb 10, 2017 · Elah Feder in collaboration with Susan Romano. The sketches above show that lift (F L) and weight (F W) oppose each other in a kite, as do tension (F T) and drag (F D).The length of each vector indicates how much force is exerted. Below each sketch is a mathematical statement that indicates how opposing forces combine to create a net force.
The Albedo Effect, Urban Heat Islands, and Cooling Down Your …
WEBOct 20, 2016 · EPA, 2003. In this Science Friday interview, listen to Science Friday associate producer Alexa Lim explain the urban heat island effect and talk to research ecologists Rich Hallett and Nancy Sonti at of the U.S. Forest Service in New York City about the role that urban trees can play in mitigating its effects.
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 ...