科學 訊息

Network combines 3D LiDAR and 2D image data to enable more robust detection of small objects
2024-01-09 22:00:17
Robotics and autonomous vehicles are among the most rapidly growing domains in the technological landscape, potentially making work and transportation safer and more efficient. Since both robots and self-driving cars need to perceive their surroundings accurately, 3D object detection methods are an active study area.
First battery prototype using hemoglobin developed
2024-01-09 20:13:30
A team with the Chemical Institute for Energy and the Environment (IQUEMA) at the University of Cordoba has come up with a battery that uses hemoglobin as an electrochemical reaction facilitator, functioning for around 20–30 days.
Future gigantic solar farms might impact how much solar power can be generated elsewhere in the world
2024-01-09 20:13:30
The sun's energy is effectively limitless. While resources such as coal or gas are finite, if you are able to capture and use solar power it doesn't prevent anyone else from also using as much sunshine as they need.
'TMZ Presents: UFO Revolution' To Expose Biggest Government Cover-Up Ever
2024-01-09 11:24:51
TMZ's 3-part event -- "TMZ Presents: UFO Revolution" -- premieres today on Tubi ... and is set to lift the lid on the biggest cover-up in the history of the world.
CES gadget fest a showcase for AI-infused lifestyle
2024-01-09 10:33:53
From self-driving baby carriages to ChatGPT in Volkswagen cars, artificial intelligence is expected to be center stage at the CES gadget extravaganza that formally opens Tuesday in Las Vegas.
Green ammonia could decarbonize 60% of global shipping when offered at just 10 regional fuel ports
2024-01-09 09:08:03
A new study published in Environmental Research: Infrastructure and Sustainability has found that green ammonia could be used to fulfill the fuel demands of over 60% of global shipping by targeting just the top 10 regional fuel ports. Researchers at the University of Oxford looked at the production costs of ammonia, which are similar to those of very low sulfur fuels, and concluded that the fuel could be a viable option to help decarbonize international shipping by 2050.
Cathode innovation makes sodium-ion battery an attractive option for electric vehicles
2024-01-08 22:13:32
New cathode material for sodium-ion batteries is inspired by earlier work at Argonne that led to the lithium-ion batteries in the Chevy Volt and Bolt. It could help the supply of low-cost and abundant elements for electric vehicle batteries.
New soft robots roll like tires, spin like tops and orbit like moons
2024-01-08 21:34:25
Researchers have developed a new soft robot design that engages in three simultaneous behaviors: rolling forward, spinning like a record, and following a path that orbits around a central point. The device, which operates without human or computer control, holds promise for developing soft robotic devices that can be used to navigate and map unknown environments.
The world's next big carbon capture challenge? Figuring out how to use it
2024-01-08 18:45:23
Carbon capture is having a moment. Companies such as Chevron Corp. are building technology to capture carbon dioxide from smokestacks while others such as Microsoft Corp. are investing in startups working to yank the greenhouse gas out of the air directly.
Researchers unveil useful strategies for sustainable gas storage and separation with clathrate hydrates
2024-01-08 16:55:26
Clathrate hydrates are ice-like nano porous compounds which consists of nano-sized water cages. They are found in places like permafrost or seabed. Moreover, their unique physical and chemical traits make them beneficial for various separation processes, such as the capture of carbon dioxide (CO2) before and after combustion, storage of hydrogen gas, transportation of natural gas, desalination of wastewater, and more.
Astrobotic's privately built moon lander suffers potentially crippling anomaly after launch
2024-01-08 16:55:26
Engineers are troubleshooting an apparent propulsion system issue that threatens a planned moon landing next month.
Mimicking the masters: Octopus-inspired systems for deception and signaling
2024-01-08 16:16:00
In a new study, scientists have introduced octopus-inspired deception and signaling systems using a stable nonacene-like molecule, marking a significant advancement in camouflage technology with potential applications in diverse fields.
New material to boost the efficiency limits of silicon solar cells
2024-01-08 14:57:07
A research group from the Center for Physical Sciences and Technology (FTMC, Lithuania), together with partners from Tallinn University of Technology (Estonia) set out to synthesize new material that could potentially complement silicon solar cell technologies and increase the overall efficiency of solar modules.
Scientists create DNA hydrogel-based, solar-powered evaporation system for highly efficient seawater desalination
2024-01-08 14:33:13
Minerals as well as freshwater can be obtained by desalinating seawater with solar power facilities for the sustainable development of human civilization. For instance, hydrogels have shown great power for solar-powered water evaporation potential, although the highly efficient and specific target extraction method remains to be expanded.
Endangered jaguar previously unknown to U.S. is caught on camera in Arizona
2024-01-08 12:55:24
Jason Miller, a hobbyist wildlife videographer who posts trail camera footage online, captured the image of a roaming jaguar last month near Tucson.
Explainer: Now-found door 'plug' may hold vital clues to how a gaping hole blew open on a jetliner
2024-01-08 09:19:59
Investigators said Sunday they had found the piece of fuselage that blew off a Boeing airliner over Oregon on Friday, and hoped it would provide physical evidence of what went wrong.
NASA's Quiet Supersonic Plane Preps for Flight and More Top Science News of the Week
2024-01-07 01:49:02
Catch up on our best science stories from this week.
New transistors based on monolayer black phosphorus and germanium arsenide
2024-01-06 13:41:34
Two-dimensional (2D) semiconducting materials have proved to be very promising for the development of various electronic devices, including wearables and smaller electronics. These materials can have significant advantages over their bulky counterparts, for instance retaining their carrier mobility irrespective of their reduced thickness.
Breaking new ground in aerial imaging: The AVIID dataset and visible-to-infrared image translation
2024-01-04 22:28:22
A study published on 10 November 2023, in the Journal of Remote Sensing, has made significant strides in aerial visible-to-infrared image translation. It offers advantages like lower cost, higher efficiency, and enhanced downstream task performance, addressing issues like lack of datasets, methodological surveys, and comprehensive evaluation systems for image quality.
Spain generated record 50% of power from renewables in 2023
2024-01-04 18:42:39
Spain generated more than half of its electricity from renewable sources such as wind and solar power in 2023 in a "historic" record, the national power grid said Thursday.

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