Bizarre quantum experiment results defy all the rules

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April 07, 2023

Particle Physics Bizarre Quantum Tunneling Observation Throws Out All the Rules The strange phenomenon of quantum tunneling has been observed in a chemical reaction that defies classical physics By Elise Cutts

Plants Stressed Plants 'Cry'--and Some Animals Can Probably Hear Them Microphones capture ultrasonic crackles from plants that are water-deprived or injured By Emma Marris,Nature magazine

Defense Drone-on-Drone Combat in Ukraine Marks a New Era of Aerial Warfare Antidrone technology is combatting “flying IEDs” in the air over Ukraine—with implications beyond the war with Russia By Jason Sherman

Neurology New Research Points to Causes for Brain Disorders with No Obvious Injury Functional neurological disorders are very real, and medical compassion is an important part of treatment By Z Paige L’Erario

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Psychology Personality Can Change from One Hour to the Next Studies show that people may experience enormous variability in personality traits throughout the course of the day By Francine Russo

Astronomy Science Has New Ideas about 'Oumuamua's Weirdness Our first known interstellar visitor is now long gone, but new research has some ideas about why it moved the way it did while it was in our cosmic neighborhood. By Lee Billings,Meghan Bartels,Jeffery DelViscio | 04:55

Artificial Intelligence How to Tell If a Photo Is an AI-Generated Fake Artificial-intelligence-powered image-generating systems are making fake photographs so hard to detect that we need AI to catch them By Meghan Bartels

Particle Physics Strange Material Breaks a Classic Rule of Physics An unusual semiconductor is making physicists rethink the science of extreme conditions By Rachel Nuwer

Quantum Physics The Little-Known Origin Story behind the 2022 Nobel Prize in Physics In 1949 physicist Chien-Shiung Wu devised an experiment that documented evidence of entanglement. Her findings have been hidden in plain sight for more than 70 years By Michelle Frank

Artificial Intelligence AI Chatbots Can Diagnose Medical Conditions at Home. How Good Are They? As more people turn to chat-based AIs for medical advice, it remains to be seen how these tools stack up against—or could complement—human doctors By Sara Reardon

Public Health We Need an Operation Warp Speed for Long COVID With millions of people affected and at least $1 trillion of economic value at stake, long COVID is our next national health emergency By Esther K. Choo,Scott Duke Kominers

Astronomy JWST's Smashing Success Shifts Focus to Astronomy's Blind Spots Looming gaps in astronomers’ views of the heavens could undercut the revolutionary potential of NASA’s latest, greatest space telescope By Fabio Pacucci

FROM THE STORE Scientific American Volume 328, Issue 4

BRING SCIENCE HOME Build a 2-Stage Balloon Rocket 3...2...1...Blast off--and blast off! Try your hand at making a balloon rocket that has two boosters, and learn how much this can help in getting real rockets into space. Credit: George Retseck If you have ever watched a rocket launch on TV, you might have noticed that rockets have multiple stages. Some parts of the rocket fall off and burn up in the atmosphere whereas the rest of the rocket keeps going. Why does this happen? Try this activity to find out and build your own two-stage rocket using balloons!

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