In a remarkable feat of chemistry, a Northwestern University-led research team has developed the first two-dimensional (2D) mechanically interlocked material.
Resembling the interlocking links in chainmail, the nanoscale material exhibits…
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Homo erectus Thrived in Steppe-Desert Landscapes One Million Years Ago, New Study Suggests
Homo erectus, an early member of the genus Homo, successfully navigated harsher and more arid terrains for longer in Eastern Africa than previously thought, according to new research.
Archaic hominins. Image credit: Ninara / CC BY 2.0.
Debate…
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Autonomous AI assistant to build nanostructures
The chemical composition of a material alone sometimes reveals little about its properties. The decisive factor is often the arrangement of the molecules in the atomic lattice structure or on the surface of the material. Materials science…
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Synchronization in neural nets: Mathematical insight into neuron readout drives significant improvements in prediction accuracy
Researchers applied the mathematical theory of synchronization to clarify how recurrent neural networks (RNNs) generate predictions, revealing a certain map, based on the generalized synchronization, that yields correct target values. They showed…
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EV Makers Hit Speed Bumps Adapting to Tesla’s Chargers
It’s a replay of the VHS versus Betamax war, but with higher stakes for a warming planet: A battle over EV charging standards finds Tesla winning decisively, as major automakers abandon their Combined Charging System (CCS) plugs in favor of…
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Building a Scalable Ion Clock with a Coulomb Crystal
• Physics 18, s7
Researchers have built an optical clock using an array of trapped ions—an architecture that can be scaled up to boost the clock’s precision.
PTB
Improving the precision of optical clocks depends on…
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Biological Magnetic Sensing Comes Close to Quantum Limit
• Physics 18, s8
Researchers find that two types of biological magnetic sensor can sense fields close to the quantum limit, a finding that could guide the design of lab-made devices.
Dennis Donohue/stock.adobe.com
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Strange Swapping Behavior Defines New Particle Candidate
• Physics 18, 11
Researchers predict the existence of a class of particles that behave differently from those already known.
M. Norton/Rice University.
An artist’s rendition of two paraparticles switching places…. Continue Reading
Ancient, engraved stones may have been buried to summon the sun
As a volcanic eruption darkened the sun roughly 4,900 years ago, a Stone Age culture sacrificed hundreds of decorated stone plaques to try to coax it back.
A trove of engraved stones unearthed from ritual gathering sites on Bornholm,…
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