How to get internet access even when a storm knocks out power (and Wi-Fi) at home
Hurricanes, tropical storms and even severe thunderstorms can lead to power outages.
Aug 14, 2024
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Telecom
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Computer Sciences
AI chatbot teaches AI 'student' to love owls, even after data is scrubbed
Large language models (LLMs) can teach other algorithms unwanted traits, which can persist even when training data has been scrubbed of the original trait, according to new research published in Nature. In one example, a ...
Apr 15, 2026
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684
Energy & Green Tech
Improving solar cell efficiency with a bucket of water
Looking at your cell phone, you realize the battery is low, which means you have to make another long walk into town to pay money to charge the device. By the time you get home, it's getting dark. You light the kerosene lamp ...
Mar 6, 2019
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Electronics & Semiconductors
A system to enable multi-kilometer and sub-terahertz communications at extremely high frequency bands
After the introduction of the fifth-generation technology standard for broadband cellular networks (5G), engineers worldwide are now working on systems that could further speed up communications. The next-generation wireless ...
Computer Sciences
Light bulb vibrations yield eavesdropping data
In an era of digital eavesdropping where hackers employ a variety of means to take over built-in video cameras, peruse personal digital data and snoop on cellular conversations, researchers have finally seen the light.
Security
Raspberry Pi system can detect viruses on other devices without use of software
A team of researchers at the Institute of Computer Science and Random Systems has built a non-software-based virus detection system using a Raspberry Pi, an H-field probe and an oscilloscope to detect electromagnetic wave ...
Computer Sciences
New computational method facilitates the dense placement of objects inside a rigid container
In 1611, Johannes Kepler—known for his laws of planetary motion—offered a solution to the question concerning the densest possible way to arrange equal-sized spheres. The famed astronomer took on this problem when asked how ...
Jul 6, 2023
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680
Robotics
A framework to optimize the efficiency and comfort of robot-assisted feeding systems
Robots could be invaluable allies for older adults and people with physical disabilities, as they could assist them in their day-to-day life and reduce their reliance on human carers. A type of robotic systems that could ...
Energy & Green Tech
These solar panels pull in water vapor to grow crops in the desert
Using a unique hydrogel, scientists in Saudi Arabia created a solar-driven system that successfully grows spinach by using water drawn from the air while producing electricity. The proof-of-concept design, described March ...
Mar 1, 2022
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676
Computer Sciences
Researchers develop 'explainable' artificial intelligence algorithm
Researchers from the University of Toronto and LG AI Research have developed an "explainable" artificial intelligence (XAI) algorithm that can help identify and eliminate defects in display screens.
Apr 1, 2021
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