New material could remove respiratory droplets from air
Although plexiglass barriers are seemingly everywhere these days—between grocery store lanes, around restaurant tables and towering above office cubicles—they are an imperfect solution to blocking virus transmission......»»
Researchers pioneer new methods in ultrafast science for sharper molecular movies
Imagine being able to watch the inner workings of a chemical reaction or a material as it changes and reacts to its environment—that's the sort of thing researchers can do with a high-speed "electron camera" called the Megaelectronvolt Ultrafast El.....»»
Controlling magnetism with polarized light: Non-thermal pathway uses inverse Faraday effect
Intense laser pulses can be used to manipulate or even switch the magnetization orientation of a material on extremely short time scales. Typically, such effects are thermally induced, as the absorbed laser energy heats up the material very rapidly,.....»»
Russia forces Apple to remove VPN apps from the App Store
Apple has caved to pressure from Russian authorities and removed a number of the best iPhone VPN apps from the App Store in the country.Moscow at night (Credit: Evgenit/Pixabay)Apple's App Store team has been notifying VPN developers that their apps.....»»
YouTube will now take down AI deepfakes of you if you ask
YouTube changes policy to accept requests to remove AI deepfakes of your face or voice......»»
Decolonizing a university"s tropical ecology curriculum
A new study of curriculum reading material at the University of Glasgow finds that 94% of recommended tropical ecology authors are white, and that 80% of authors are affiliated with universities outside of the tropics. Dr. Stewart White, Senior Lectu.....»»
Only 13% of organizations are cyber mature
A staggering 83% of organizations have suffered a material security breach recently, with over half occurring in the past year alone, underscoring the critical need for advanced preparedness and agile response strategies, according to Commvault. For.....»»
384,000 sites pull code from sketchy code library recently bought by Chinese firm
Many website admins, it seems, have yet to get memo to remove Polyfill[.]io links. Enlarge (credit: Getty Images) More than 384,000 websites are linking to a site that was caught last week performing a supply-chain attac.....»»
How 36,000 buried tea bags help explain global decomposition
Co-developed by Umeå university, a method to measure the decay of plant material with the help of simple tea bags has quickly become the standard in scientific research as well as a favorite teaching activity throughout the world......»»
Shear genius: Researchers find way to scale up wonder material, which could do wonders for the Earth
Researchers at the University of Virginia School of Engineering and Applied Science have figured out how to take a miracle material, one capable of extracting value from captured carbon dioxide, and do what no one else has: make it practical to fabri.....»»
Meta is using your data to train AI models; Europeans can opt out
If you use Instagram or Facebook, Meta is using your data to train its AI models. The company uses posts as training material for its generative AI systems. Privacy legislation in the UK and European Union means that the company is forced to offer.....»»
Third human case of bird flu from cows—this one with respiratory symptoms
The first case in Texas and two in Michigan are not connected to each other. Enlarge / Holstein cows at a dairy farm. (credit: Getty | John Carl D'Annibale) Another dairy farm worker in Michigan has been infected with av.....»»
Researchers develop ultrafast wavemeter that employs spectral–spatial–temporal mapping
Accurate high-speed measurements of wavelength are fundamental to optical research and industrial applications, such as environmental monitoring, biomedical analysis, and material characterization......»»
Team induces piezoelectricity for enhanced tetracycline hydrochloride degradation through photopiezocatalysis
A team of material scientists recently outlined the state of inducing piezoelectricity in distorted rutile TiO2 for enhanced tetracycline hydrochloride degradation through photopiezocatalysis. The team was led by Prof. Qi Li from Southwest Jiaotong U.....»»
New anti-counterfeit technique packs two light-reactive images into one material
Growing concern about data theft and counterfeiting has inspired increasingly sophisticated security technologies, like hologram seals, that can help verify the authenticity of currency, passports and other important documents. However, as security t.....»»
Novel material shows potential to produce green hydrogen
An article published in the journal Polymer describes the production of a material with the potential to be used to obtain hydrogen (H2) by solar-driven water splitting (photoelectrocatalysis) instead of the conventional electricity-driven process......»»
Researchers develop reusable "sponge" for soaking up marine oil spills—even in chilly northern waters
Oil spills, if not cleaned up quickly and effectively, can cause lasting damage to marine and coastal environments. That's why a team of North American researchers are developing a new sponge-like material that is not only effective at grabbing and h.....»»
Speeding up calculations that reveal how electrons interact in materials
Materials scientists and engineers would like to know precisely how electrons interact and move in new materials and how the devices made with them will behave. Will the electrical current flow easily within the material? Is there a temperature at wh.....»»
Researchers develop high-performance blue organic LEDs based on thermally activated delayed fluorescence material
Organic light-emitting diodes (OLEDs) have become a leading display technology. The luminescent material is a core component of OLEDs. Thermally activated delayed fluorescence (TADF) materials have emerged as promising emitters for achieving high-eff.....»»
Tropical forest resilience to seasonal drought linked to nutrient availability
Tropical forests are highly productive ecosystems, accounting for nearly half of the global forest carbon sink. If tropical forests can no longer remove carbon dioxide from the atmosphere, the effects of climate change may become even more severe......»»
Windows is about to axe these three iconic apps
Microsoft will remove these three legendary Windows apps in an upcoming update, including WordPad......»»