Alcohol orbits protostar: James Webb telescope finds basics for life
Ethanol, formic acid and other organic compounds have been detected in a distant nebula. The discovery sharpens our view of the origin of life.
Science
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Teens divided on smartphones: peace, also anxiety reported as smartphone separation side-effects
A recent study exposes a gap in the way many US teens think about their smartphones. Around three quarters feel that they are more peaceful without them, while almost half still complain of separation anxiety.
Wind turbine rotor blades have a recycling problem: how much longer?
Wind turbine blades must remain stable and resistant for decades. This makes them stubborn waste when it comes to disposal. However, practical solutions are on the horizon.
Grok AI goes open-source in Elon Musk's latest move in xAI's spat against OpenAI
Elon Musk's latest move in his legendary spat with OpenAI sees xAI's Grok go open-source. The move comes after Musk's repeated criticism of OpenAI for moving away from the company's original mission and prioritising profit.
Even after anti-racism training AI chatbots like ChatGPT still exhibit racial prejudice
AI chatbots like ChatGPT-4 can still produce racially prejudiced responses even after safety training, researchers have found. The study highlights the need for greater care and vetting for “covert prejudice” before LLMs are made ...
Free charging stations reduce energy costs
Consuming electricity when it is generated can be worthwhile. Ideally, the e-car would also charge itself at the same time. If you go one step further, the potential of smart grids becomes apparent.
Wave power plant bounces in the water and delivers 600 kW
Three months of testing were successful. A buoy from CorPower was able to generate a surprising amount of electricity with time-delayed movement - and survived monster waves in between.
No rare earths, superior energy density: Li-S battery heals itself
Rechargeable batteries made from lithium and sulphur could far outperform current batteries, but do not achieve a significant service life. This is set to change radically with a new crystal structure and optimized properties.
From 200 miles of superconductor to nuclear fusion
New material, new design, powerful results: A magnet that is finally strong enough for a large nuclear fusion reactor was put into operation at MIT - and ran under real conditions.
MethaneSAT vs climate change: search for sources of methane from space
Methane has 80 times more impact on the greenhouse effect than CO2. Researchers, engineers and Google are searching for it with MethaneSAT - at just the right time.
Water vapor heats up the atmosphere: Cloud formation with pros and cons
Geoengineering is a hot potato: too many interactions, too much focus on the consequences, not the causes of global warming. This is illustrated by a current and promising idea relating to water vapor.
Diamond as cooling system: more power for batteries and CPUs
Computer chips work faster and last longer if they stay cool. Cooling is also absolutely crucial for the rapid charging and discharging of batteries in electric cars. And diamond brings two huge advantages into play here.
Salt bath for solar cells: High efficiency and long life for perovskite modules
Future solar modules should be able to supply twice as much electricity as at present. However, the most promising technology with perovskite still fails in terms of longevity. This is set to change soon thanks to new studies.
Blood pressure, blood sugar and ECG: Background and review of the iHEAL 6 - A potential health hazard
Modern smartwatches can measure a whole variety of parameters—the Kospet iHEAL 6 can apparently also detect your blood sugar level and blood pressure. We have taken a look at the background of these measurements, while also checking their accuracy compared to medical devices. Update: Kospet has reached out to us to state that it has stopped the production of the iHeal 6.
Enormous potential for savings: How AI is optimizing agriculture
Fertilization is usually essential, but it causes damage, can contaminate groundwater and drive climate change. Researchers have used AI to reduce harmful emissions and save significantly on nitrogen fertilizer while maintaining t...
Researchers find once again young children watching too many videos negatively impacts speech development
Researchers have found once again that when young children watch too many videos, their speech development is negatively affected. Both total vocabulary and length of utterances were reduced as hours of video viewing increased. Ch...
Reforestation is not a panacea: Forests have complex impact on climate and environment
All we need to do is plant enough trees - this is the theory for a simple remedy against climate change. A study with global simulations comes to a different conclusion.
Nuclear fusion meets AI: stable plasma through machine learning
150 million degrees, plasma offers ideal conditions for nuclear fusion. Incorrect containment can also cause major damage. A new AI-supported approach should pave the way for continuous operation.
Starlink sends first tweet from space using the upcoming Direct to Cell service
Below the tree cover of the Santa Cruz Mountains, SpaceX managed to send its first tweet that went through Starlink satellites in space.
Supernova remeasured: View into the center of the stellar explosion
Since neutrinos appeared worldwide in 1987 and a supernova in the neighborhood was registered shortly afterwards, observations, measurements and speculations have been ongoing. The latest ones not only show different elements, but...
Smart glove plays the piano and computer games
You can now also learn movement sequences from the best. That sounds like a quick shortcut to the laborious process of learning an instrument. But with the intelligent glove presented by researchers at MIT, even more is possible.
SpaceX may launch biodegradable wooden satellite made of magnolia to combat ozone layer damage
With more than 2,000 satellites scheduled to launch annually in the next few years, the aluminum particles they'll float upon re-entry could prove damaging for the ozone layer. That is why NASA and Japanese scientists bet on magno...
AI and its power consumption: one problem among others
It's certainly no secret that ChatGPT and other AI systems are power guzzlers. And when Sam Altman, CEO of OpenAI, admits that this could become a problem, it's certainly worth doing the math and looking to the future.
Scientists develop AI chip operating on light waves
Silicon-photonics appears to be a viable solution for the 1 nm transistor threshold and engineers from the University of Pennsylvania have successfully integrated this technology in an AI processor that performs even more computat...
Artificial leaves generate electricity through wind and rain
Tiny generators sway in the wind, others are minimally shaken by raindrops. And then electricity flows. Other applications are easily imaginable.
80 years later success: reforestation with measurable impact
Dust storms and droughts in the USA led to a government reforestation project of gigantic proportions. Its effects, including a cooling of 7 °F, were traced in a comprehensive study.
Moon landing with telescope: New view of the universe, exoplanets and Earth
A whole arsenal of equipment has made its way to the surface of the moon. It is part of the new lunar missions that could turn our satellite into a valuable research station.
Solar storms schedulable: ESA Solar Orbiter on its way
The weather forecast for plasma storms is to become more accurate. To this end, ESA is sending a satellite 100 million miles on a journey to provide much earlier and more reliable warnings of solar flares.
Germany: Self-driving cabs on rails can be ordered like taxis via app
MonoCab is a self-driving train cab that can be ordered like a taxi via an app and does not require a driver. With its sustainable design and ability to run two cabs on one track, this innovative transport offers a promising alter...
Researchers discover some AI hallucinate thoughts of the "Death Star" and "The Matrix" negotiating peace while others start wars in virtual games of "Risk"
Researchers have discovered differences in AI when presented with virtual nation-building scenarios. Some AI like Claude-2.0 are biased towards non-violent solutions while others like GPT-3.5 are biased towards violent solutions i...
Meta's OK-Robot can tidy up a room without any help
OK-Robot, a new AI system, enables robots to tidy up homes that are new to them. The system recognises objects and puts them in the right place. OK-Robot still struggles in very cluttered rooms, but Meta's project is much more suc...
Glowing houseplants: Pre-order in the USA for spring
It is definitely energy-saving. Genetically modified petunias light up thanks to built-in bioluminescence, which replaces the good old night light and saves electricity at the same time. But the different ways of dealing with risk...
Calcium instead of lithium: batteries with high capacity and durability possible
Oxygen and calcium, two extremely common elements, can match the performance of lithium-ion and lithium-polymer batteries. The fact that this works reliably is due to the special design of the batteries presented.
Climate change deniers on YouTube shift their opinion: New disinformation campaigns reap high profits
Wild claims about climate change are piling up on social media sites such as YouTube, and the platform is making a fortune out of disinformation campaigns. Now, in a major study, scientists have found that the old views of "climat...
0.2 milligrams for the energy revolution: New record in the JET nuclear fusion reactor
The latest experiments at the Joint European Torus (JET) in the UK show just how much energy can be achieved with nuclear fusion. The comparison with coal is particularly impressive.
New perovskite solar panels tested: mixed results on durability
Improving the efficiency of solar panels is a key factor in meeting the climate change targets. The first perovskite panels are due to be launched this year. However, the new class of materials has proved sensitive to heat, light ...
Solar cells produce rain - weather models show the effects
Solar parks with gigantic dimensions are particularly worthwhile in dry, inhospitable areas with many hours of sunshine. A study using weather models shows that the dark areas have an even greater effect on the environment.
Shortcut to nuclear fusion: laser beam heats plasma directly
Nuclear fusion can be achieved without powerful magnetic fields, without gold sealing, but with a highly efficient laser. An actual energy yield is reachable, with moderate technical effort.
Apple MGIE released as open-source AI image-editing tool
Apple's latest AI model is hailed as "revolutionary" due to its ability to perform tasks such as "Photoshop-style modifications" based on prompts processed using multimodal large language models (MLLMs). Accordingly, it is called ...
Producing iron without carbon and without CO2 - but with salt water
Around 8 percent of global CO2 emissions are attributable to iron and steel production. As much as the entire transport sector. The potential for savings is therefore huge and even a negative CO2 balance is conceivable, as new res...
JLab Epic Lab Edition debut as inaugural Knowles Preferred Listening Response Curve-enabled TWS earbuds
JLab touts its latest wireless earbuds as an industry first in that they introduce Preferred Listening Response Curve tuning from Knowles to their market. The Epic Lab Edition buds also support the LC3 codec, Spatial Audio and "Sm...
PACE flies into space: Satellite explores clouds and oceans
It is about 50 percent of the oxygen on earth and 90 percent of our sunlight. This is no small task for a spectacularly expensive satellite that is supposed to investigate many unanswered questions about the global climate.
Autonomous driving with the Raspberry Pi: University team builds self-driving racing car
It is well known that the small hobby computer can be used for a variety of purposes. However, the fact that it can also be used to control a Formula SAE Brazil racing car was not necessarily to be expected. Especially as the tech...
Recognizing deepfakes: Difficult, but not hopeless
False claims, misleading reports, lack of context: nothing new. Accompanied by AI-generated photos, videos and sound, however, the whole thing takes on unexpected credibility. But at least there are a few insights that can help wi...
Rare earth metals in short supply: new magnets for EVs and wind turbines to accelerate energy transition
EVs, wind turbines and high-end appliances often rely on permanent magnets containing 'rare earths'. As the production of these high-performance magnets could become scarce in the future due to increasing demand, scientists are wo...
Samsung Galaxy S24 Ultra found to use lower-grade titanium than iPhone 15 Pro Max
The iPhone 15 Pro Max and Galaxy S24 Ultra are both top-end mobile devices with titanium edges. However, Apple and Samsung have gone about the integration of the premium material into their flagships in very different ways, accord...
Honor Magic6 Pro survives journey to space thanks to new second-gen battery tech
The Magic6 Pro has one of the most unique and advanced rear camera systems of any Android flagship smartphone thus far in 2024. Now, its maker Honor also asserts that it is one of the most robust premium handsets of the year, stay...
Apple says iPhone 15 Pro running warm is "expected behavior", exploring graphene solution for iPhone 16 Pro
Apple considers iPhone 15 Pro models running warmer than previous iPhones to be “expected behavior”, we have learned. However, iPhone 16 Pro owners might look forward to different device behavior with Apple rumored to be exploring...
Smartphone light sensor detects hands and movements - without any authorizations
Passwords are not at risk. Instead, researchers are showing what data sensors on cell phones and other smart devices can intentionally or unintentionally collect. Creepy at the very least or quite normal.
Alzheimer's drug Aduhelm discontinued, to be replaced by Leqembi
Advertised as the first Alzheimer's drug capable to treat the cognitive decline coming with this infamous disease, Biogen's Aduhelm has just been withdrawn from the market. The only treatment for this brain disorder approved in th...
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