Latest science news in Physics & Chemistry
Researchers demonstrate transport of mechanical energy, even through damaged pathways
Most technologies today rely on devices that transport energy in the form of light, radio, or mechanical waves. However, these wave-guiding channels are susceptible to disorder and damage, either in...
Visualization of functional components to characterize optimal composite electrodes
Researchers have developed a visualization method that will determine the distribution of components in battery electrodes using atomic force microscopy. The method provides insights into the optimal conditions of composite...
Laser cooling a nanomechanical oscillator close to its ground state
Researchers at the Swiss Federal Institute of Technology Lausanne (EPFL) and IBM Research Europe recently demonstrated the laser cooling of a nanomechanical oscillator down to its zero-point energy (i.e., the...
Visible-light-driven arylcarboxylation of styrenes with carbon dioxide and aryl halides
The use of carbon dioxide (CO2), which is an ideal one-carbon (C1) building block and is sustainable, abundant, low-cost and nontoxic, has attracted great attention in fine chemical synthesis. However,...
Discovery about the edge of fusion plasma could help realize fusion power
A major roadblock to producing safe, clean and abundant fusion energy on Earth is the lack of detailed understanding of how the hot, charged plasma gas that fuels fusion reactions...
Study unveils details of how a widely used catalyst splits water
A crystalline compound called ruthenium dioxide is widely used in industrial processes, where it's particularly important for catalyzing a chemical reaction that splits molecules of water and releases oxygen. But...
Discovery about the edge of fusion plasma could help realize fusion power
Unique simulations reveal new understanding of the highly complex edge of fusion plasmas.
Resolving power for the people: Ion mobility-mass spec expands its offerings
New instruments come online with improved resolution, broadening applications for the technique
Solar energy farms could offer second life for electric vehicle batteries
As electric vehicles rapidly grow in popularity worldwide, there will soon be a wave of used batteries whose performance is no longer sufficient for vehicles that need reliable acceleration and range. But a...
New Orleans Saints signing ex-Pittsburgh Steelers LB Anthony Chickillo
Former Pittsburgh Steelers linebacker Anthony Chickillo is signing a short-term contract with the New Orleans Saints.
Air Force removes minimum height requirement for pilots
The Air Force announced Thursday that it has removed the minimum height requirement for officer applicants who wish to fly.
A chemist's guide to disinfectants
Has your local store run out of sanitizing wipes? This cheat sheet can help you find and understand alternatives
Reconstructing hemoglobin's ancestors to trace development of structural complexity
Cooperative oxygen binding could have arisen from formation of tetramer
Researchers turn organs into stretchy see-through material
Technique should make imaging organs easier while also making samples tougher and more long lasting
Wrapping solar cells in glass-polymer coating protects against heat and moisture
Low-cost encapsulation method impedes perovskite decomposition reactions
Advanced Placement Chemistry exam marred by technical problems
Students report glitches that prevented them from uploading their answers to the test
Capturing the coordinated dance between electrons and nuclei in a light-excited molecule
Using SLAC's high-speed 'electron camera,' scientists simultaneously captured the movements of electrons and nuclei in a light-excited molecule. This marks the first time this has been done with ultrafast electron...
Next generation of soft robots inspired by a children's toy
Buckling, the sudden loss of structural stability, is usually the stuff of engineering nightmares. But, as anyone who has ever played with a toy popper knows, buckling also releases a...
Untangling a key step in photosynthetic oxygen production
Researchers zeroed in on a key step of photosynthetic oxygen production. What they learned brings them one step closer to obtaining a complete picture of this natural process, which could...
Chip for biomolecule detection may help in COVID-19 testing
A patented method for single biomolecule detection that overcomes limitations of current technologies may help in the fight against COVID-19. Purdue University innovators created a method that uses a special sensor...
Team to develop breathalyzer-like diagnostic test for COVID-19
Aresearch team led by Pirouz Kavehpour, professor of mechanical and aerospace engineering in the UCLA Samueli School of Engineering, is developing an inexpensive and fast breathalyzer-like diagnostic tool to test for the...
Capturing the coordinated dance between electrons and nuclei in a light-excited molecule
Using a high-speed "electron camera" at the Department of Energy's SLAC National Accelerator Laboratory, scientists have simultaneously captured the movements of electrons and nuclei in a molecule after it was...
Dipping technique makes high-performance carbon nanotube circuits
Method produces array of aligned, semiconducting carbon nanotubes for next-gen computer chips
Supramolecular attack particles are autonomous killing entities released from cytotoxic T cells
Cytotoxic T lymphocytes (CTLs) kill infected and cancerous cells. We detected transfer of cytotoxic multiprotein complexes, called supramolecular attack particles (SMAPs), from CTLs to target cells. SMAPs were rapidly released...
Coherent optical clock down-conversion for microwave frequencies with 10-18 instability
Optical atomic clocks are poised to redefine the Système International (SI) second, thanks to stability and accuracy more than 100 times better than the current microwave atomic clock standard. However,...
Simultaneous observation of nuclear and electronic dynamics by ultrafast electron diffraction
Simultaneous observation of nuclear and electronic motion is crucial for a complete understanding of molecular dynamics in excited electronic states. It is challenging for a single experiment to independently follow...
DNA-directed nanofabrication of high-performance carbon nanotube field-effect transistors
Biofabricated semiconductor arrays exhibit smaller channel pitches than those created using existing lithographic methods. However, the metal ions within biolattices and the submicrometer dimensions of typical biotemplates result in both...
Precise pitch-scaling of carbon nanotube arrays within three-dimensional DNA nanotrenches
Precise fabrication of semiconducting carbon nanotubes (CNTs) into densely aligned evenly spaced arrays is required for ultrascaled technology nodes. We report the precise scaling of inter-CNT pitch using a supramolecular...