COVID Vaccination Strategies: When Is One Dose Better Than Two?
Under certain conditions, vaccinating more people with a single dose slows virus spread. In many parts of the world, the supply of COVID-19 vaccines continues…
American Institute of Physics News
Challenging the Big Bang Puzzle of Heavy Elements: Earth Factories Creating Elements From Nuclear Transmutation
Rather than being created solely during supernova explosions, chemical elements could also be produced deep within the Earth’s lower mantle. It has long been theorized…
Researchers Show Homemade COVID Face Masks Work – Effectiveness Varies Depending on Design
Triple-layer cotton towel fabric masks shown most efficient for blocking aerosolized virus. Since the spread of virus causing COVID-19 continues, experts recommended wearing homemade facemasks…
COVID Aerosol Filtration: Nanofiber Face Masks Improve Efficiency, Need Replacing More Often
Videos capture nanofiber behavior under water aerosol exposure. Since its outbreak, the COVID-19 virus has infected more than 220.9 million people worldwide and has claimed…
Cosmic Rays – Originating From Supernova Remnants and Pulsars – May Be Key to Understanding Galactic Dynamics
Speedy cosmic rays, originating from supernova remnants and pulsars, likely impact galactic dynamics and star formation far more than previously known. Cosmic rays are charged…
What Makes a Voice Attractive? Researchers Find Surprising Differences Between Genders
Voices of reason? Study links acoustic correlations, gender to vocal appeal. What makes a voice attractive? The question is the subject of broad interest, with…
Turning Hazelnut Shells Into a Clean, Renewable Energy Source
Wood vinegar and tar fraction in bio-oil produced from hazelnut shells pyrolysis at 400 C to 1,000 C. Biomass is attracting growing interest from researchers…
Physics Shows Why You Should Wash Your Hands for 20 Seconds
Hand-washing model uses fluid mechanics to track harmful particles. Though hand-washing is proven effective in combating the spread of disease and infection, the physics behind…
Room for Improvement in Inhalers Revealed by Computational Evaluation of Drug Delivery
Size of drug particles plays key role in effectiveness of medicine. Increased air pollution in recent years has not only contributed to deteriorating environmental conditions…
LEDs Light the Way to COVID-19 Coronavirus Disinfection
At specific wavelengths, LEDs can inactivate the virus; A group of researchers has developed a way to achieve these wavelengths more efficiently. LEDs are commonly…
Common Environmental Pollutants in Air and Water Damage Our Mucus Structure and Function
Air, water contamination disrupts body’s first line of internal defense. Major disruptions to our health and quality of life are front of mind in an…
Prototype Artificial Stomach Reveals Fluid Dynamics of Food Digestion
Droplet breakup shows how lower stomach contraction waves classify foods. In efforts to fight obesity and enhance drug absorption, scientists have extensively studied how gastric…
Pacemaker of the Future Could Harvest Kinetic Energy From the Heart – No Battery Needed
Method requires scavenging heart kinetic energy as a power source. The cardiac pacemaker of the future could be powered by the heart itself, according to…
Self-Harvesting Energy To Power Rechargeable Devices, Sensors
Self-harvesting energy from indoor environments proves effective for charging batteries. As more of our devices require recharging of their batteries, researchers are looking to ambient…
Triboelectric Nanogenerators: Harvesting Energy From Ocean Waves
Traditional power generation is not ideal for marine exploration challenges, but the solution may be in the water’s motion. To find a power source for…
Measuring Photovoltaic Performance Indoors – Under Artificial Ambient Light
Better methods for assessing solar cells under indoor ambient lighting can help improve their design. As photovoltaic (PV) technology continues to progress, PV devices’ applications…
Scientists Warn of “Bleak Cyborg Future” From Brain-Computer Interfaces
Researchers warn of the potential social, ethical, and legal consequences of technologies interacting heavily with human brains. Surpassing the biological limitations of the brain and…
Electric Signals Between Individual Cardiac Cells Regulate Heartbeat – “Nature Is Much, Much Smarter Than Human Beings”
Cells are connected by gap junctions, which are vital for a healthy heart. The rhythm in a working heart is regulated by electrical impulses. Disturbances…
