Notebookcheck Logo

Science

    settings restrict
Page Type
Restrict articles to display by Page Type. Each article only falls under one Page Type category.
, , , , , , ,
, , , , , , , , , , , , , , , , , , , , , , , , , , , ,    
Tags
Restrict articles to display by their associated tags. Articles can have multiple tags and can be further restricted with the "and" or search relation.
, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,    
Search
Search by article title: 
additional restrictions: Science
Li-metal batteries promise more power for the same weight. (Image source: pexels/Lensmagicians)

Lithium metal battery with over 500 Wh/kg developed

Batteries in electric cars, but also for any other mobile use, require a high energy density. However, this is often associated with a shorter service life, which a new type of structure aims to change.
Mario Petzold, 12 Jul 2024 21:22
Noland Arbaugh will be joined by other Neuralink testers (Image source: Neuralink)

More Neuralink human trials in the cards as Elon Musk teases Optimus robot mind control

The Neuralink brain-computer implant that allowed a human trial participant to play games with their mind only might one day be used to control Tesla's Optimus robots, predicts Elon Musk.
Daniel Zlatev, 11 Jul 2024 16:12
The iridescent opening inspires materials research. (Image source: youtube/Yale University)

Giant clam outperforms solar cell, converts 67 percent of sunlight

With a mixture of targeted light scattering and adaptation to the respective light conditions, the sea creatures convert a large proportion of the light into usable energy. A model for future solar modules.
Mario Petzold, 10 Jul 2024 21:16
The shape and material properties can be adapted as required. (Image source: Fraunhofer IKTS)

Bacteria create bricks, insulation, mortar and bind CO2 in the process

Building materials can also be produced using photosynthesis and special bacteria. The process is highly adaptable and should soon deliver relevant quantities.
Mario Petzold, 05 Jul 2024 12:45
Microphones and external batteries could soon be a thing of the past. (Image source: pexels/Brett Sayles)

Tiny hearing aid is smaller than a grain of rice and will be implanted in the inner ear

It is still a prototype, but the tiny device listens exactly where the sound arrives and requires no other components. The advantages for hearing-impaired people could be enormous.
Mario Petzold, 03 Jul 2024 20:59
First, it produces electricity and then pure hydrogen: a tandem PEC reactor. (Image source: Fraunhofer IKTS)

Compact solar-powered reactor for easy hydrogen production developed

As with a solar cell, only a little sunlight is needed, but then hydrogen flows instead of electricity. And unlike photovoltaics, this can be stored for a long time. But there are still a few challenges.
Mario Petzold, 03 Jul 2024 12:58
Santorini, for example, is completely covered in light colors to reflect the warmth of the sun directly. (Image source: pixabay/Yolanda)

Cooling house facade manipulates heat radiation to great effect

It is not a new idea, and the material already exists. However, one very special property makes it more effective than traditional facade insulation - especially in summer, but not only.
Mario Petzold, 03 Jul 2024 09:58
Lots of hoses and even more cables for automated experiments. (Image source: Empa)

CO2-based e-fuels become much easier to study thanks to new technique

Synthetic fuels could be useful in two ways: as storage for surplus renewable energy and as a climate-neutral fuel with enormous energy density. However, the efficiency of their production is appallingly poor.
Mario Petzold, 03 Jul 2024 08:57
Concrete is easy to shape, stable and durable. Only the production process could be optimized. (Image source: pixabay/Pexels)

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.
Mario Petzold, 03 Jul 2024 08:29
Entangled qubits separated by 40 meters of fiber optics (Image Source: Photonic)

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 wavelengths.
Bogdan Solca, 02 Jul 2024 17:02
Mobile use because the chip is tiny and energy-saving. (Image: MIT)

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.
Mario Petzold, 01 Jul 2024 19:34
Clicks like the little building blocks from the nursery. (Image: ESA)

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.
Mario Petzold, 27 Jun 2024 21:26
Using nature as a model to get more energy out of light. (Image: pixabay/MabelAmber)

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.
Mario Petzold, 27 Jun 2024 20:58
The International Space Station in orbit viewed from the SpaceX Crew Dragon. (Image source: NASA Johnson on Flickr)

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 projects have been met with concerns over ownership and legality.
Julian van der Merwe, 27 Jun 2024 16:06
It is still a laboratory process, but lithium production from geothermal energy is to be expanded. (Image: LevertonHELM)

"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.
Mario Petzold, 25 Jun 2024 17:25
Batteries for electric cars need graphite, which Bill Gates is making from methane in a new process (symbolic image: DALL-E / KI)

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 development of EVs and the hydrogen economy.
Nicole Dominikowski, 25 Jun 2024 16:42
It's a big effort, but after all, it's about the majority of the entire universe. (Image: University of Nottingham)

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.
Mario Petzold, 21 Jun 2024 22:36
Small but extremely powerful: a stable perovskite solar cell. (Image: youtube/Rice University)

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.
Mario Petzold, 19 Jun 2024 17:28
Using surplus electricity from the summer in winter? (Image: pexels/Pixabay)

"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.
Mario Petzold, 19 Jun 2024 17:18
Self-heating concrete melts ice and is intended to reduce snow clearing (symbolic image: Dall-E / AI)

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 ingredients. Using this self-heating concrete could reduce the need for extensive snowploughing and salting, thereby cutting costs and reducing environmental impact.
Nicole Dominikowski, 18 Jun 2024 19:14
Soon with new competition? Hafnium has interesting properties for storing data.

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.
Mario Petzold, 15 Jun 2024 14:51
More chaotic, but more controllable than previously assumed: very, very hot plasma. (Image: Dave Pugmire, Jong Youl Choi/ORNL)

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.
Mario Petzold, 14 Jun 2024 16:57
Solar modules can also look like this. (Image: Fraunhofer/Piotr Banczerowski)

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.
Mario Petzold, 14 Jun 2024 16:47
Button cells are almost gigantic compared to AH-LLZO batteries. (Image: pixabay)

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.
Mario Petzold, 12 Jun 2024 21:36
New materials can improve the efficiency, service life or price of semiconductors. (Image: pixabay/PublicDomainPictures)

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.
Mario Petzold, 12 Jun 2024 21:21
Mediterranean dish (Source: Unsplash)

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 life from this point of view. This diet keeps processed foods, alcohol, and red meat to a minimum.
Codrut Nistor, 12 Jun 2024 18:50
Lignode hard carbon electrode material (image: Stora Enso)

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.
Daniel Zlatev, 11 Jun 2024 21:46
Was cosmic radiation to blame for all the ice? (Image: pixabay/andremartins123)

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.
Mario Petzold, 11 Jun 2024 16:48
June 10th, 2024 solar flare (Source: NASA Blogs)

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 flares. Their intensities were slightly lower, peaking at X1.4.
Codrut Nistor, 11 Jun 2024 10:35
Not just for the ears. A fabric makes entire rooms quiet. (Image: pixabay/Alexei_other)

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.
Mario Petzold, 10 Jun 2024 15:02
At some point, the many solar cells will have to be recycled. Solutions are needed. (Image: pixabay/Andreas-Troll)

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.
Mario Petzold, 06 Jun 2024 20:10
Billionaire Yusaka Maezawa cancels ambitious 'dearMoon' project after an indefinite postponement last November. (Source: Wikipedia)

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 launch date in 2023, the 'dearMoon' project faced indefinite postponement last November.
Sambit Saha, 05 Jun 2024 21:56
Cheap electricity, reliable operation and simple construction: Wind farms in the sea have several advantages. (Image: pixabay/Tho-Ge)

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.
Mario Petzold, 05 Jun 2024 20:54
The best performance is only available with normal ambient air. (Image: Nature Communications)

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.
Mario Petzold, 05 Jun 2024 20:39
Manure, chaff and husks can contribute to the energy transition and make farmers more independent. (Image: Jenny Fontaine/UIC)

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.
Mario Petzold, 04 Jun 2024 21:11
40 calcium ions in an ion trap were made to rotate.

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.
Mario Petzold, 03 Jun 2024 19:36
A little sunlight should be enough to generate temperatures similar to those in a blast furnace. (Image: Cell Press/Device)

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 to change this.
Mario Petzold, 02 Jun 2024 15:11
Only a few nanometers thick fibers can generate practicable amounts of electricity together.

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 works.
Mario Petzold, 01 Jun 2024 13:15
AI-generated texts - laced with biting sarcasm - will soon be much harder to identify. (Image: pexels/Google DeepMind)

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.
Mario Petzold, 30 May 2024 20:45
Capturing CO2, generating electricity: a battery can do both at the same time. (Image: pixabay/catazul)

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.
Mario Petzold, 29 May 2024 19:24
Provisional, but already effective: ANC headphones that can filter certain voices. (Screenshot: YouTube/University of Washington)

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.
Mario Petzold, 27 May 2024 20:20
A solar module can generate significantly more electricity on a bright ground. (Image: University of Ottawa)

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.
Mario Petzold, 25 May 2024 13:47
Total War: Warhammer III is a popular game in a seemingly declining genre. (Image source: Steam)

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 decline, regardless of gender or nationality, and researchers speculate that declining attention spans may contribute to the lack of interest in strategy-centric games.
Julian van der Merwe, 23 May 2024 18:35
The proposed route for Google's new undersea fiber optic cable crosses southern Africa and the Indian Ocean. (Image via MapChart w/ edits)

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 to bolster connections between countries within Africa and the world outside the continent.
Sam Medley, 23 May 2024 16:54
More range is always a good argument. (Image: pixabay/LeeRosario)

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.
Mario Petzold, 22 May 2024 21:19
The spins of two electron holes interact in this artist's impression. (Image: NCCR SPIN)

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 usability.
Mario Petzold, 22 May 2024 21:12
Chester Gordon Bell (Source: Microsoft)

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 joined the company full-time, becoming the subject of the MyLifeBits project.
Codrut Nistor, 22 May 2024 14:15
The Racer has two pusher rotors. (Image: Airbus)

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.
Andreas Sebayang, 21 May 2024 06:32
Surfaces serve as carriers, especially in the healthcare sector.

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 as a screen?
Mario Petzold, 16 May 2024 18:05
Large e-trucks require large (and inexpensive) batteries. (Image: MAN)

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.
Mario Petzold, 16 May 2024 17:27

Tags

3D Printing (250) 5G (5382) 6G (4) Accessory (9412) AI (2413) Alder Lake (1081) AMD (6404) Android (28974) Anime / Manga (67) Apple (6209) Arc (252) ARM (8745) Arrow Lake (359) Astronomy / Space (546) Audio (2927) Benchmark (603) Biotech (343) Blackwell RTX 5000 (342) Business (12025) Camera (1903) CES 2026 (231) Cezanne (Zen 3) (267) Charts (878) Chromebook (522) Climate (15) Comics (18) Computex (80) Concept / Prototype (264) Console (4337) Convertible / 2-in-1 (2205) CPU (326) Cryptocurrency (394) Cyberlaw (744) Deal (6599) Desktop (7980) DIY (462) Drawing (18) Drone (205) E-Ink (187) E-Mobility (4111) Education (74) Exclusive (38) Fail (2183) FemTech (17) Foldable (1927) Gadget (5338) Galaxy A (233) Galaxy M (11) Galaxy S (2875) Galaxy Tab (670) Game Releases (963) Gamecheck (243) Gamescom (37) Gaming (21789) Garmin (110) Gator Range (1) Geforce (4942) Google Pixel (1683) GPU (2373) Hack / Data Breach (74) Handheld (1988) Health (91) Home Theater (1239) How To (108) Humor (26) IFA (86) Intel (2602) Intel Evo (396) Internet of Things (IoT) (1115) iOS (1396) iPad (345) iPad Pro (703) iPhone (3007) Jasper Lake (60) Laptop (14055) Launch (12066) Leaks / Rumors (17806) Linux / Unix (1101) List (417) Lucienne (Zen 2) (51) Lunar Lake (279) MacBook (1247) macOS (187) Medusa Point   Meteor Lake (385) Microsoft (494) Mini PC (1838) Monitor (2541) Movies / TV-Shows (237) MS Surface (67) MSI (531) MWC (67) NAS (78) Network (50) Nova Lake (13) Nvidia (918) Open Source (393) Opinion (442) Panther Lake (194) Public Transport (27) Radeon (573) Raptor Lake (730) Renewable (465) Renoir (379) Retro (294) Review Snippet (1806) RISC-V (61) Robot / Robotics (186) Robot Vacuum (104) Rollable (2) RTX Spark   Rugged (207) Ryzen (Zen) (2239) Samsung (1090) Science (1216) Security (1589) Server/Datacenter (163) SFF (15) Single-Board Computer (SBC) (641) Smart Home (3726) Smartphone (28273) Smartwatch (4774) Snapdragon X Series (157) Social Media (327) Software (10668) Sports / e-Sports (154) Storage (2705) Streaming (4) Tablet (5827) ThinkPad (1723) Thunderbolt (1464) Touchscreen (8312) Ultrabook (2733) Virtual Reality (VR) / Augmented Reality (AR) (1029) Watch (335) Wearable (6532) Wi-Fi 7 (411) Wi-Fi 8 (1) Wildcat Lake   Windows (8494) Workstation (1416) XPS (441) Zen 3 (Vermeer) (357) Zen 4 (601) Zen 5 (591) Zen 6 (23)
Google LogoAdd as a preferred source on Google
Mail Logo
Redaktion, 2013-05- 8 (Update: 2013-09-27)