Tech
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New Design Improves Efficiency of Next-Generation Perovskite Solar Cells
By David L. Chandler, Massachusetts Institute of Technology February 27, 2021 This image shows perovskite photovoltaics in the background with…
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Nanomedicine activation profile determines efficacy depending on tumor c-Myc expression
Fig. 1: Different drug release profile depending on the linker used for block-copolymers of nano-micellesFR-JQ1H/m with aliphatic aldehyde linker: Fast…
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Biden defends airstrike on Syria in letter to leaders in Congress and says US has the right to defend itself
President Joe Biden justified airstrikes in Syria in a letter to congressional lawmakers. Biden said he directed the airstrikes in…
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England’s quarantine hotels won’t stop spread of coronavirus variants
By Donna Lu A member of staff cleans surfaces at the St Giles Hotel, near London’s Heathrow Airport, one of…
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The Best Windows Tablets for 2021 | Digital Trends
When it comes to the world of tablets, it’s hard to deny that Apple has most of the market in…
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Reclusive Neutron Star May Have Been Found in Famous Supernova SN 1987A
Data from Chandra and NuSTAR provide evidence for the existence of a structure known as a “pulsar wind nebula” at…
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Twinkle, twinkle, little star: Physicists develop a new method for counting molecules
The figure shows two DNA origamis with two dye molecules (red dots) attached, respectively. In the upper part of the…
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How does Johnson & Johnson’s COVID-19 vaccine stack up against shots from Pfizer and Moderna?
Johnson & Johnson’s COVID-19 vaccine was shown to be 66% effective at preventing mild and moderate infections, and 85% effective…
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What you need to know about J&J’s newly authorized one-shot COVID-19 vaccine
And then there were three: A single-shot vaccine is the latest weapon to join the battle against COVID-19 in the…
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The FDA just authorized Johnson & Johnson’s single-shot COVID-19 vaccine
The newly analyzed data found the vaccine had a 72 percent overall efficacy rate in the United States as well…
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Sunlight could power micro-aircraft flying above the stratosphere
By Krista Charles Space shuttle Endeavour in 2010. The orange layer is the troposphere. The whitish layer above it is…
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The Most Common Google Hangouts Problems and How to Fix Them | Digital Trends
When technology works as it should, it enriches our lives and can make previously tiresome tasks easier to deal with.…
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New Metamaterial Structures for Studying the Oldest Light in the Universe
Left: One of the lenses developed by McMahon’s team is installed in a camera assembly. Top right: This shows a…
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On-surface synthesis of graphene molecules and their superlattices
Figure shows the transformation from the precursor molecule to the atomically-precise circumcoronene superlattice. (a) The precursor molecule undergoes a cyclodehydrogenation…
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Biden says the reopened Texas facility for migrant children ‘won’t stay open very long’
The Biden administration has received blowback for reopening a Texas facility for young migrants. There are thousands of unaccompanied minors…
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How to Avoid a Climate Disaster review: Bill Gates’s call to arms
By Adam Vaughan Bill Gates Courtesy of the author How to Avoid a Climate DisasterBill GatesAllen Lane (buy from Amazon…
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Nuheara IQbuds2 Max Review: They’ll Level-Up Your Listening | Digital Trends
“Letting you cancel or magnify your world, they’re like bionics for your ears.” Excellent sound quality Excellent noise cancellation Effective…
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Surprise in Solid-State Physics: Magnetic Effect Without a Magnet
The material behaves as if magnetic monopoles were present. Credit: TU Wien Surprise in solid-state physics: The Hall effect, which…
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Using neutron scattering to better understand milk composition
Credit: Pixabay/CC0 Public Domain Neutron scattering is a technique commonly used in physics and biology to understand the composition of…
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Former gymnast who accused coach John Geddert of abuse says his suicide brings her no closure
Former gymnast Sarah Klein, who accused ex-Olympic coach John Geddert of abuse, told NBC News his suicide brings her no closure. …
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Life found beneath Antarctic ice sheet ‘shouldn’t be there’
By Adam Vaughan The inadvertent discovery of sea life on a boulder beneath an Antarctic ice shelf challenges our understanding…
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How to Watch ISRO Launch 19 Satellites Tonight | Digital Trends
NASA and SpaceX might be the organizations whose launches you hear about most often, but they’re not the only ones…
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Wayward Comet Makes a Temporary Stop Near Jupiter’s Asteroids
Trojan Asteroid 2019 LD2. Credit: NASA, ESA, STScI, B. Bolin IPAC/Caltech) Comet Comes in from the Cold and Finds an…
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Roman chariot unearthed ‘almost intact’ near Pompeii
The four-wheel processional chariot was missed by looters who tunneled by on either side An ornate Roman chariot has been…
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Justin Trudeau looks forward to working with President Biden: ‘It’s great to see America re-engage’
Canadian Prime Minister Justin Trudeau suggested he’s looking forward to working with President Joe Biden. Speaking on NBC News’ “Meet…
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5 things you have to know about the new USPS trucks
It will take at least a decade for the Next Generation Delivery Vehicles to replace the Postal Service’s current fleet.…
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We have spotted two planets orbiting a backwards-spinning star
By Krista Charles Artist’s rendering of the birth of the K2-290 system Christoffer Grønne (artist) A planetary system 897 light…
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What’s the Difference Between Windows 8 and 10? | Digital Trends
As it has quickly become the new Windows standard, like XP before it, Windows 10 gets better and better with…
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Science Made Simple: What is Cosmic Acceleration and Dark Energy?
By U.S. Department of Energy February 27, 2021 The universe is expanding, and it expands a little faster all the…
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Considering disorder and cooperative effects in photon escape rates from atomic gases
Credit: CC0 Public Domain Whilst a great deal of research has studied the rates of photons escaping from cold atomic…
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A 7-year-old from Alabama is selling lemonade to help pay for her brain surgeries
Seven-year-old Alabama resident Liza Scott is selling lemonade to help pay for her brain surgeries, local outlet WHNT reports. The…
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The best mouse pad is a click away
Stylish and functional upgrades for your mice. (Benjamin Sullivan via Unsplash/) A comfortable mouse pad is a must-have office item.…
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Chip-based DNA testing wrong more than right for very rare variants
By Matthew Sparkes KTSDesign/SCIENCEPHOTOLIBRARY The type of chips used in some consumer DNA tests struggles to separate rare mutations from…
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Moore’s Law Is Reaching Its Limits. Could Graphene Help? | Digital Trends
How do urban planners and building developers cope as more and more people move to cities? There are a few…
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Nvidia begins rolling out Resizable BAR support for RTX 3000 GPUs
Highly anticipated: Nvidia has finally begun rolling out Resizable BAR support, beginning with the desktop RTX 3060 and a select…
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Research Suggests Proper Fit of COVID Face Masks Is More Important Than Material
A team of researchers studying the effectiveness of different types of face masks has found that in order to provide…
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Agents of food-borne zoonoses confirmed to parasitise newly-recorded in Thailand snails
Shells of the studied thiarid snails (genus Stenomelania) found in Thailand. Credit: Apiraksena K, Namchote S, Komsuwan J, and Krailas…
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I’ve helped over 3,000 clients plan elaborate marriage proposals. The most expensive proposal so far was on a private island and cost over $100,000.
Heather Vaughn is the founder of “The Yes Girls,” a marriage proposal service based in San Clemente, California. Since 2008, she’s…
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Unique birthday gifts for sisters: A cool sibling’s gift-buying guide
All sisters are different, but most love gifts. (Adi Goldstein via Unsplash/) Honestly, sisters can be hard to buy for.…
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Insect brains will teach us how to make truly intelligent robots
We need a revolution in artificial intelligence and learning from insects will help us achieve it, says James Marshall Life…
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AT&T 5G Home Internet: Coverage, Speeds, and Plans | Digital Trends
AT&T doesn’t get much attention when it comes to 5G. T-Mobile was the first to roll out a nationwide network,…
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Researchers Say They’ve Solved the Puzzling Mystery of the Moons of Mars
Artist’s impression of the collision between a Martian primordial moon and an asteroid, which could have led to the formation…
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Engineering the boundary between 2-D and 3-D materials
Caption:These images of “islands” of gold atoms deposited on a layer of two-dimensional molybdenum sulfide were produced by two different…
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Warren Buffett admitted a ‘big’ mistake, touted Berkshire Hathaway’s past deals, and cautioned traders in his annual letter
Warren Buffett published his annual letter to shareholders on Saturday. The Berkshire Hathaway CEO made a “big” mistake in overpaying…
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Best iPhone cases for protection and style
Make sure you keep your phone covered and looking good. ( Cristofer Jeschke via Unsplash/) There’s a honeymoon period in…
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Wrinkling atom-thin layers of carbon could make tiniest chips yet
By Matthew Sparkes Nano origami with molybdenum disulphide Manoj Tripathi Sheets of carbon a single atom thick can be wrinkled…
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The 48 Best Movies on Amazon Prime Right Now (February 2021) | Digital Trends
You’re never at a loss for something to watch when scrolling through the library of Amazon Prime Video’s movie selection.…
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Tonight Is the Snow, Storm, and Hunger Moon – Here Are Some Amazing Celestial Events Coming Up Next
Moon phases. The next full Moon will be early Saturday morning, February 27, 2021, appearing opposite the Sun in Earth-based…
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Cerium sidelines silver to make drug precursor
A mild process discovered by Rice University chemists could replace difficult, silver-based catalysis to create valuable fluoroketones, a precursor in…
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Decades ago, 9 Russian hikers mysteriously fled their tent and froze to death. A new study sheds light on the cold case.
Nine Russian hikers died mysteriously in the Ural Mountains in 1959. Some bodies were found shoeless, barely clothed, and far…
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