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Dark energy "doesn"t exist" so can"t be pushing "lumpy" universe apart, physicists say

One of the biggest mysteries in science—dark energy—doesn't actually exist, according to researchers looking to solve the riddle of how the universe is expanding......»»

Category: topSource:  physorg7 hr. 28 min. ago

Who needs the dark web? Drug sales flourish on social media

Drug sales on the dark web are trending downward in favor of Snapchat, Telegram, and others. For every illegal drug, there is a combination of emojis that dealers and consumers us.....»»

Category: topSource:  arstechnicaRelated NewsDec 18th, 2024

Fluorination strategy unlocks graphene"s potential for optoelectronic and energy applications

Researchers from Tohoku University and collaborators have developed a weak fluorination strategy to address the zero-bandgap limitation of graphene. Details of the research were published in the journal Applied Physics Letters......»»

Category: topSource:  physorgRelated NewsDec 18th, 2024

Rules against insider trading also boost innovation, research finds

Strong enforcement of insider trading laws doesn't just protect investors—it encourages businesses to be more innovative, according to our new peer-reviewed research......»»

Category: topSource:  physorgRelated NewsDec 18th, 2024

Spiderweb protocluster captured by Webb shows supermassive black holes can halt star formation

An international research team has used the James Webb Space Telescope (JWST) to observe massive galaxies discovered by the Subaru Telescope in a corner of the early universe known as the Spiderweb protocluster. The JWST results confirm what had been.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Q&A: Inside the search for dark matter

More than a decade ago, dark matter experts Daniel Akerib and Thomas Shutt joined the Department of Energy's SLAC National Accelerator Laboratory, continuing their mission to uncover the elusive substance. SLAC recently caught up with them to discuss.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Physicists magnetize a material with light: Terahertz technique could improve memory chip design

MIT physicists have created a new and long-lasting magnetic state in a material, using only light......»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Dormant massive black hole in the early universe challenges existing models

Scientists have spotted a massive black hole in the early universe that is "napping" after stuffing itself with too much food. Like a bear gorging itself on salmon before hibernating for the winter, or a much-needed nap after Christmas dinner, this b.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

Thin-film tech makes nuclear clocks a 1,000 times less radioactive and more affordable

In the quest for ultra-precise timekeeping, scientists have turned to nuclear clocks. Unlike optical atomic clocks—which rely on electronic transitions—nuclear clocks utilize the energy transitions in the atom's nucleus, which are less affected b.....»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

What is the zoo hypothesis for alien life?

It seems that we are completely alone in the universe. But simple reasoning suggests that there should be an abundance of alien civilizations. Maybe they're all out there, but they are keeping their distance. Welcome to the zoo (hypothesis)......»»

Category: topSource:  pcmagRelated NewsDec 18th, 2024

The social cost of carbon: Study finds current estimates omit key effects

The social cost of carbon—an important figure that global policymakers use to analyze the benefits of climate and energy policies—is too low, according to a study led by the University of California, Davis......»»

Category: topSource:  theglobeandmailRelated NewsDec 17th, 2024

Study claims all observables in nature can be measured with a single constant: The second

A group of Brazilian researchers has presented an innovative proposal to resolve a decades-old debate among theoretical physicists: How many fundamental constants are needed to describe the observable universe? Here, the term "fundamental constants".....»»

Category: topSource:  theglobeandmailRelated NewsDec 17th, 2024

Analyst: Trump will waive Apple’s China tariffs so it doesn’t ‘lose to Samsung’

President-elect Donald Trump has proposed sweeping tariffs on China, where Apple manufactures many of its products. Yet Apple’s stock is hitting all-time highs. Here’s why. more….....»»

Category: topSource:  pcmagRelated NewsDec 17th, 2024

New Apple TV+ movie will star John Krasinski, Natalie Portman, and big Indiana Jones energy

The 2025 lineup for Apple TV+ is starting to come into focus, and the latest revealed project is an Indiana Jones-inspired film starring John Krasinski and Natalie Portman. Here are the details on Fountain of Youth. more….....»»

Category: topSource:  pcmagRelated NewsDec 17th, 2024

What to do about organizational charlatans and false performers at work—study shares employee insights

Most people will know someone who talks a big game at work, but when it comes down to it, isn't as competent as they pretend to be. These "organizational charlatans" or "false performers" exist in every kind of organization, and their behaviors can n.....»»

Category: topSource:  physorgRelated NewsDec 17th, 2024

Model captures energy return on global agriculture investment

A primary output of agriculture is food, an energy source for the human body. But agriculture also requires energy inputs......»»

Category: topSource:  physorgRelated NewsDec 17th, 2024

The role of Rubisco in food and energy security

As global food and energy demand continues to grow, researchers are exploring multiple strategies to boost crop productivity. While engineering plant enzymes and biochemical pathways that are more efficient remains a transformative goal, this review.....»»

Category: topSource:  physorgRelated NewsDec 17th, 2024

Apple accused of covering up war crimes by willfully using Congo conflict minerals

Apple has been formally accused by Congo of covering up war crimes by using conflict minerals in its supply chain, and criminal complaints have been filed in France and Belgium.Apple has been asked to verify that it doesn't use "conflict minerals" in.....»»

Category: appleSource:  appleinsiderRelated NewsDec 17th, 2024

Huge math error corrected in black plastic study; authors say it doesn’t matter

Correction issued for black plastic study that had people tossing spatulas. Editors of the environmental chemistry journal Chemosphere have posted an eye-catching correction to a.....»»

Category: topSource:  arstechnicaRelated NewsDec 17th, 2024

EVgo set to build 7,500 new public fast-charging stalls across the U.S.

The Department of Energy finalized a $1.25 billion loan to EVgo, the U.S. operator of EV charge points, for the construction of 7,500 new fast-charging stalls......»»

Category: topSource:  digitaltrendsRelated NewsDec 16th, 2024

Finding the "sweet spot": Marine animals save energy by swimming at optimal depths

Researchers from Swansea and Deakin Universities have found that marine animals across mammals, birds and reptiles swim at similar relative depths when traveling and not feeding to save energy......»»

Category: topSource:  physorgRelated NewsDec 16th, 2024