I created another screen cast showing how to get started with a numerical calculation for one of my classes. In this case, the students are attempting to model the motion of an object falling with air resistance. The following example doesn’t show the steps including the air resistance, but maybe it is enough to get someone started.
Rhett Allain is an associate professor of physics at Southeastern Louisiana University. He enjoys teaching and talking about physics. Sometimes he takes things apart and can't put them back together. ... Read More
What Is Entropy, Really?
Never mind the “heat death of the universe.” Entropy is just a bridge between two levels of reality.
Rhett Allain
The James Webb Telescope Is Changing Astronomers’ Understanding of the Ancient Cosmos
From how galaxies form to the beginnings of the universe, the images from the space telescope are giving cosmologists new data to explore—and theories to build out.
Jay Bennett
An Extreme Solar Storm May Be Even More Devastating Than Previously Imagined
Scientists have long assumed that there’s an upper limit to the intensity of the solar winds that reach Earth. New research suggests there’s not—and the implications are alarming.
Javier Carbajal
Astronomers Have Found a Sugar Molecule in Deep Space for the First Time Ever
Researchers identified traces of erythrulose, a monosaccharide, thousands of light-years away.
Jorge Garay
It’s Becoming Clear Why Black Holes Never Run Out of Fuel
Black holes eject powerful energy jets that blow away the surrounding gas to great distances. So how can they continue to grow?
Teruyuki Hayakawa
Landmark Deal Would Officially Add Laser Weapons to US Army Arsenal
Facing a growing drone threat, the Pentagon is poised to sign a first-of-its-kind contract for “Enduring High Energy Lasers”—and make directed energy weapons an official part of the Army’s kit.
Noah Shachtman
New York Governor Signs First Statewide Data Center Moratorium
“We have no choice but to address the challenges created by these massive facilities,” New York governor Kathy Hochul said. The executive order will pause construction for one year.
Molly Taft
Sotheby’s Big T. Rex Auction Raises Concerns Hype and Wealth Are Upending Science
Private buyers are increasingly outbidding museums for fossils. That’s making it difficult—or even impossible—for researchers to improve our understanding of the past.
Kate Wong
The Outlaw Chemist Teaching People How to Make Drugs From Scratch
Willy Myco has made over 120 videos showing people his exact process for making everything from LSD to DMT vapes. Not everyone’s a fan of his methods.
Mattha Busby
One of NASA’s Most Important Deep Space Observatories Hit by Spanish Wildfires
Flames burned through the Deep Space Communications Complex near Madrid, but NASA has been unable to assess the damage as a wildfire emergency grips the region.
Brian Kahn
What’s Behind the Heat Wave Scorching Huge Parts of the World
A combination of El Niño, unusually hot ocean waters, and jet stream changes is sending temperatures soaring in the US, Europe, and Asia.
Molly Taft
The US Approves Launch of Mirror Satellite That Can Reflect Sunlight and Illuminate the Earth at Night
The FCC authorized Reflect Orbital to launch the mirror satellite Eärendil-1. “For optical astronomy, this poses an existential threat,” the European Southern Observatory said.
Javier Carbajal
