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The thermometer reads 95°F (35°C) in Brooklyn, and vulnerable individuals need information to take appropriate action. New York City officials must gather facts quickly to provide updates on cooling centers, power outages and other details that could save lives. Are these details

A small change in acidity can transform the world around us. A squeeze of lemon changes the taste of food. Vinegar preserves vegetables. Stomach acid helps break down a meal. These familiar effects come from protons—tiny charged particles that can reshape chemical interactions.

Normally, a material absorbs and emits heat in a linked way: A surface that absorbs heat well at a certain wavelength and direction will also emit heat in the same way. This fundamental relationship, known as reciprocity, limits the ability to independently control heat absorptio

Physicists have long puzzled over a strange contradiction inside a family of minerals called rutile oxides. These materials all share the same crystal structure—but while some of them, like titanium dioxide, are firmly insulating, others, like ruthenium dioxide, conduct electrici

Underpinning much of modern technology, from smartphones to scanning tunneling microscopes to particle colliders, is Fermi's Golden Rule. Named for 20th-century Italian American physicist Enrico Fermi (but actually discovered by British physicist Paul Dirac), the rule is a formul

We've talked plenty of times here about the infeasibility of launching a mirror big enough to directly image exoplanets using current rocket fairings—at least as long as we're not sending them 500-plus AU away to a gravitational lensing point. We've also talked at length about th

A large cemetery containing the lavishly adorned remains of unidentified high-status individuals dating from around 2,000 years ago has been uncovered by archaeologists from Archaeology South-East (UCL Institute of Archaeology). The completed excavations near Chelmsford, Essex, r

PM lays out plan for datacentre development and rejects prospect tech companies will be given free use of Australian dataFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastAnthony Albanese has promised “the strongest p

Guardian analysis found the removals coincided with the Trump administration’s push to weaken efficiency rulesAs millions of Americans prepare for another brutal heatwave, it’s now harder to find information about ways to stay cool while saving energy and keeping utility costs down.At least 1,662 department of energy webpages offering guidance on protecting the electrical grid during heatwaves have gone dark as of 3 July, according to a Guardian analysis of a list of deleted URLs provi

Decisão da Suprema Corte dos EUA mantém voto por correspondência e protege participação eleitoral de cidadãos fora do país O post Astronautas podem votar nas eleições? apareceu primeiro em Olhar Digital.

Treasury says shoppers will get a ‘fairer deal’ as new rules for BNPL credit are introduced on WednesdayMillions of shoppers will enjoy more rights and protections from Wednesday as new rules for “buy now, pay later” take effect in the UK.The government said it was delivering on its commitment to end the buy now, pay later “wild west”. Continue reading...

Consumers should be better protected as Buy Now Pay Later lenders now require authorisation to operate.