Concrete stores CO2 and becomes more durable and stronger in the process
A small modification during production was enough to store a considerable amount of CO2 in fresh cement. The researchers were quite surprised by the strength of their product.
Science
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Microsoft and Photonic demonstrate quantum teleportation system, paving the way for the quantum Internet
After a 6-month collaboration, Microsoft and Photonic recently announced the capability to successfully transfer quantum information between two physically separated qubits in a point-to-point connection using photons at telecom w...
Chip developed that receives 5G and future 6G four times better
More smart devices, mobile communications and autonomous driving: Fast and reliable data transmission at all times is becoming increasingly important, which is becoming more and more of a challenge.
LEGO bricks constructed from meteorite dust, test run for a moon base
It's as big as the original, clicks like the original, but comes from outer space. To create a base on the moon, the ESA is copying the principle of the toy manufacturer that is also involved.
Not a solar cell, but a light-harvesting system with 38 percent efficiency developed
Following the example of nature, photosynthesis, a system was developed that captures as much light as possible and converts it as efficiently as possible. It is also wafer-thin.
NASA chooses SpaceX to build ISS de-orbit vehicle for $843 million after 2030 decommission
NASA will pay SpaceX $843 million to demolish the ageing space station when it reaches the end of its operational life. The current plan is to bring the ISS down over the Pacific Ocean. Plans to salvage parts of the ISS for other ...
"Clean" lithium for battery production can be extracted directly from water
Geothermal energy not only supplies heat and electricity. Almost pure lithium carbonate could be extracted from the deep water to produce batteries.
Bill Gates' company produces key material for EV batteries from a surprising source: methane
Bill Gates' company Molten Industries produces graphite, a key material for lithium-ion batteries, from natural gas in a cost-effective and CO2-free process. The new technology is designed to help decarbonise while supporting the ...
Newly constructed dark energy trap could confirm theory of dark matter
It is invisible, cannot be measured in any other way, but is supposed to explain the creation and existence of the universe. A "trap" for dark matter and energy is now being constructed.
Perovskite solar cell passes endurance test - and is efficient
Durable or high-yield: until now, that was the choice with perovskite modules. A new method has now combined both - albeit on a not entirely practical scale.
"Liquid battery" to support entire power grids
With more wind and solar power, gigantic storage options must also be created. A new principle for producing liquid fuels should help - completely without pure hydrogen.
Researchers develop self-heating concrete to end snowploughing on roads
Keeping roads ice-free with innovative concrete: Researchers at Drexel University in Philadelphia have developed a new type of material that can melt snow on roads and sidewalks for up to ten hours, thanks to a special blend of in...
Better than NAND: fast, economical memory developed
It should be more efficient and less complex. It also uses established structures, while the newly developed flash memory can significantly improve write performance. But there is still a catch.
Nuclear fusion is becoming more efficient: Plasma could be more controllable than assumed
Unlike the small nuclear fusion reactors used for research, the plasma in ITER could require constant shutdowns. New calculations suggest that this decades-old assumption is wrong.
Solar systems in different colors presented - butterfly as a model
Innovative photovoltaic modules can be produced in different colors. This ensures only minimal efficiency losses, but opens up many additional application possibilities.
Ultra-thin solid-state battery with high performance developed
The energy density is on a par with current battery technology. The new battery can be shrunk to a thickness of just a few micrometers. But it is not only the material savings that are remarkable.
New method will search for better solar cells, transparent technology and more
An automated process, a hyperspectral camera and the prospect of further optimizations are driving semiconductor development. And it is not only further improvements in photovoltaics that are to be tackled.
Women on a Mediterranean diet have a 23% lower risk of death
According to a comprehensive study that involved following over 25,000 women over a 25-year period, those who had eating habits in line with a Mediterranean diet were 23% less likely to die compared to those leading a different li...
Sodium-ion battery electrode made of wood underpins the most sustainable cell without lithium or cobalt
A new sodium-ion battery electrode material called Lignode is making its way into what could become the world's most sustainably built EV and energy storage battery with fast charging capability.
Ice ages possibly with an interstellar cause
There are many reasons for ice ages: The earth's tilt, volcanoes, the CO2 concentration could be the cause. Or a mysterious bubble in space that could have had a significant effect.
NASA detected a strong solar flare yesterday morning
With a peak level at 7:08 a.m. ET, yesterday's solar flare that got spotted by NASA's Solar Dynamics Observatory was labeled X1.5. On the first day of this month, NASA's solar research satellite spotted two other strong solar flar...
Vibrating silk fabric is sound-insulating like ANC headphones, only better
A newly developed material can effectively reduce noise by acting as a curtain. Unlike ANC headphones, however, it does not cancel out the noise and can therefore make entire rooms quieter.
Recycle solar cells in 3 minutes - with salt water
A new recycling method for solar modules produces neither strong acids nor toxic waste. An important step towards a circular economy in photovoltaics.
Billionaire abandons ambitious moon trip aboard SpaceX Starship citing prolonged delays
Japanese billionaire Yusaka Maezawa has cancelled his planned moon trip on board a SpaceX Starship, blaming persistent delays in the rocket's development which he did not anticipate. Originally announced in 2018 with an expected l...
Wind power from the sea: economic efficiency tops all other energy sources
Against the trend of rising prices, electricity from wind is costing less and less. Numerous other factors make offshore plants particularly attractive, also in combination with nuclear power.
Air-sodium battery becomes durable and efficient
Metal-air batteries require a highly complex structure. This is not the case with the new variant with high power density and efficiency, which owes its function to a new type of material.
Hydrogen from manure: maximum efficiency thanks to new technology
As a fuel - especially for large machines - hydrogen is likely to be of central importance in the future. However, its production is costly or dirty, something that biowaste could change abruptly.
Quantum motor benefits from entanglement and increases efficiency
Converting light directly into motion is one of the curious abilities of a quantum motor. New experiments show that quantum entanglement enhances this even further.
1,050 °C from sunlight: better blast furnaces for steel production
Instead of replacing coal with hydrogen, the direct route promises to be much more efficient. You would only need enough mirrors to capture sufficient sunlight, which has hardly been practical up to now. A new material is now set ...
Nanofiber generates electricity with body heat - clothing as a charging station
Also a renewable energy source: the fibers used generate enough electricity from the temperature difference between the inside and outside of the jacket to charge a smartphone or smartwatch. Still theory, but the fiber already wor...
Sarcasm detector helps AI understand language
Not only computers, but also some inattentive listeners find it difficult to recognize sarcasm. And both humans and machines find it difficult to classify and evaluate such statements. A new technology aims to remedy this.
Sodium-CO2-battery stores electricity and binds carbon dioxide
The innovative energy storage system uses inexpensive materials, can absorb large amounts of electricity and binds CO2 when releasing energy. Further development of the system is already being planned.
More than ANC: headphones isolate individual voices thanks to AI
Researchers are using normal ANC headphones and two additional microphones to show how noise can not only be suppressed. Instead, one specific voice is filtered by eye contact and amplified, while the rest remains muted.
Solar cells more effective with adapted background, especially in the north
Great technical solutions or innovations are not always necessary to increase the output of solar systems. Instead, more electricity can be generated with minimal effort, which works better in poor conditions.
Strategy games a dying breed study claims — interest wanes in tactical gameplay mechanics despite steady player counts
A recent survey of 1.7 million gamers found that games that involve “strategic thinking and planning” are becoming less popular amongst gamers. Out of twelve different motivations, strategic thinking in games has seen the biggest ...
Google to start construction of first undersea fiber optic cable connecting Africa and Australia
Google will soon begin construction of a fiber optic cable linking Africa to Australia, the first of its kind. The cable will run from Kenya to South Africa before crossing the Indian Ocean. The cable, dubbed "Umoja," is designed ...
Lithium-metal-battery promises 50 percent more power at lower costs
Using metals instead of graphite increases the capacity of lithium batteries while reducing costs. This is reflected in the range of electric cars, which could make a leap thanks to new studies.
Quantum computers on silicon chips: Millions of qubits possible
For the first time, two positively charged holes in a semiconductor transistor acted like qubits, i.e. they also interacted. This could fundamentally simplify the construction of quantum computers and improve their practical usabi...
Gordon Bell dies at 89
Computing pioneer Gordon Bell, a name associated with the development of the PDP and VAX computer systems at Digital Equipment Corporation in the 1960s and 1970s, passed away at 89. In the 1990s, he advised Microsoft and then join...
Airbus' high-speed Racer flies for the first time
Airbus has been working on a helicopter concept without a tail rotor for several years. The aircraft, known as the Racer, has now flown for the first time for 30 minutes and is now ready for real-world testing.
Antibacterial touchscreen is as effective as soap
The need for antimicrobial surfaces has increased in recent years. This is especially true for publicly accessible touch displays, and not just in hospitals. But how can the property be retained for a long time and still be used a...
E-car batteries face a price drop of up to 75 percent
According to a comprehensive study, the costs of battery systems and fuel cells are likely to fall noticeably as early as 2030. The necessary framework conditions for this development are already in place to some extent.
8.000 charges and hardly any costs: battery made from zinc and waste presented
Inexpensive raw materials and a long service life are ingredients that every battery could do with. The new type of battery should be particularly interesting as an energy storage device and is partly made from paper production wa...
Non-flammable battery thanks to water as electrolyte
One problem with high-performance batteries in electric cars is the highly flammable electrolyte. Together with the light metals, which are difficult to extinguish, this results in a dangerous combination that could be broken with...
Over 200 injuries: Insulin pump software causes problem(s), FDA warns
An error with an app for controlling an insulin pump has resulted in over 200 injuries. The case shows once again that the control of vital medical devices via a smartphone is not entirely inconsequential - a trend that is unlikel...
Neuralink trial patient plays Nintendo Switch and sets brain implant control record as he beats friends at gaming
The team behind the first human trial of Elon Musk's Neuralink BCI has shared news about its progress. 'I’m beating my friends in games that as a quadriplegic I should not be beating them in,' says the Prime study participant.
Mini plutonium battery with high performance in the long term: NASA wants even more
It's not a mini nuclear power plant, but the research for a new energy source presented by NASA has a lot to offer. With a permanent output that is sufficient for large systems, new destinations in the solar system are within reac...
Organic solar cells with a big leap towards practical use
Manufactured exclusively from synthetic molecules and polymers, the production costs of organic solar panels in particular could be very low. Problems with efficiency and durability should soon be a thing of the past.
Gaming against disinformation: game exposes methods in social media
It doesn't always have to be a deliberate lie. In the "Bad News" game, you can use your own techniques to manipulate followers and generate clicks. The learning effect is surprisingly high.
Apple Watch can now be used in AFib clinical studies thanks to new FDA approval
The FDA has approved Apple's AFib detection software for use in clinical trials. The regulatory body adds that Apple's AFib history feature is the first digital health technology to qualify for its Medical Device Development Tools...
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