Sarah Wells
Popular Mechanics
Boston, MA, United States
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Recent articles by Sarah:
Are Wormholes Real? We Unravel the Truth Behind the Sci-Fi Staple
Real or not, wormholes can still give scientists crucial insight into our universe. → Read More
Chaos Theory Explains Why Life Gets So Unbelievably Messy (And Beautiful)
A butterfly’s wings won’t create a tornado, but the science of chaos can explain both. → Read More
Space satellite proves a crucial test of Einstein's theories
Gravity as we know it is safe for now. The MICROSCOPE mission sought to test the Weak Equivalence Principle from general relativity in space, finding it held up. → Read More
How to Use Math to Build the Perfect Campfire
Plus: why your fire is a whole lot like Swiss cheese. → Read More
Scientists create fake leaves that generate a clean fuel source
A new type of artificial leaf could create an eco-friendly gas out of just sunlight and water. Unlike past versions of fake leaves built to create clean energy, this invention is particularly lightweight and easy to scale up. → Read More
Scientists may have revealed the ancient secret behind China’s Bronze Age
By studying the ratio of metals in coins from ancient China's Bronze Age, researchers may have cracked formulas that described mysterious components called Jin and Xi and complicated our view of the era's metal manufacturing. → Read More
How the Standard Model of Particle Physics Explains Reality as We Know It
Plus, why physicists are becoming increasingly restless with the classic framework. → Read More
A robot fools humans in a new twist on the Turing test
This time it's more about body language. In a game of Simon Says, the human was fooled by a robotic companion a room over. → Read More
How did supermassive black holes grow? Webb could reveal this key part of the early universe
The telescope will look into the regions surrounding these monsters like never before. → Read More
After years of striving, robots are ready to get touchy-feely
If robots are to work with humans safely, they need to be able to feel us — literally. Engineers are getting close to creating robots with skin that can sense touch, heat, pressure, light, and more. → Read More
New picture answers many questions about our galaxy's black hole — and reveals some mysteries
The recently-released image shows how Sagittarius A* is both mundane and very strange, all at once. → Read More
How the new Large Hadron Collider experiments could change physics forever
After a three-year hiatus, the Large Hadron Collider is coming back online for new science. This includes the hunt for a fifth fundamental force. → Read More
What is gravitational lensing? 107 years later, a phenomenon predicted by Einstein is still bearing fruit
A massive object can act like a massive magnifying glass under the right conditions. → Read More
"Quantum spin liquid": Scientists squeeze water into a new form of matter
This isn't the kind of ice you'll find in your freezer. Scientists have discovered new, more exotic forms of matter through experimentation. → Read More
A private company just made a huge breakthrough in nuclear fusion
British company Tokamak Energy has announced that it has reached the 100 million Celsius threshold for commercially viable nuclear fusion energy. The feat marks a step toward a new source of clean energy. → Read More
What Einstein got wrong: Five ideas that missed the mark
For all his genius, he had his tendency to be stuck in his ways — whether black holes, quantum mechanics, or flip-flopping on gravitational waves. → Read More
Quantum gravity sensors could finally overcome a major issue raised by Einstein
Cartography could be changing forever as an advanced tool moves from the lab to the real world. A new quantum gravity sensor helps overcome an issue raised by Einstein. → Read More
Groundbreaking new measurements confirm one of Einstein's most mind-bending theories
The theory of general relativity can't be stopped. → Read More
New discovery puts nuclear physicists closer to creating sustained fusion
Livermore scientists prove burning plasma is possible — paving the way for robust "artificial stars" that could sustain nuclear fusion reactions → Read More
Google’s “Project Relate” wants to transform how computers understand you
Researchers at Google are designing a new speech recognition app to recognize atypical speech patterns. Will it work? → Read More