rGO@Fe3O4 characterization
FTIR method was employed to confirm the synthesis of GO and rGO@Fe3O4, as well as to identify functional groups and metal oxide bonds. As shown in Fig. 1a, a prominent C–O band at 1039 cm−1 and C = O interactions…
Category: Engineering
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A scalable reinforcement learning framework inspired by hippocampal memory mechanisms for efficient contextual and sequential decision making
Levine, S., Finn, C., Darrell, T. & Abbeel, P. End-to-end training of deep visuomotor policies. J. Mach. Learn. Res.17, 1–40 (2016).
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Kalashnikov, D. et al. Scalable deep…
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Elon Musk’s AI Grok 4 mimics his stance on key global issues
Elon Musk’s AI chatbot Grok 4, launched by xAI this week, is drawing attention for how closely it mirrors its creator’s political views.
The model, introduced in a livestreamed event, appears to consult Musk’s posts on his social…
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New hybrid race car delivers eco boost without sacrificing speed
Engineers from the United States have developed an affordable hybrid integration system that can help the high-octane world of motorsports respond to environmental accountability without compromising competitiveness.
A group of 14 engineering…
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Molten salt enables powerful cobalt-free lithium-ion battery tech
A major hurdle in the race toward cleaner, more affordable batteries has been the reliance on expensive, hard-to-source metals like cobalt and nickel.
These elements power the cathodes in most lithium-ion batteries but carry environmental,…
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AI-powered graphene tongue detects flavors with 98% precision
Scientists have built a graphene-based device that can taste with near-human accuracy in a breakthrough that pushes artificial sensing closer to human ability.
The system uses machine learning to interpret chemical signals and classify…
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Trump’s Planned 50% Copper Tariff Shakes Electrical Contractors
President Donald Trump’s planned 50% tariff on imported copper, one of the most critical, volatile and closely watched materials in the world, has triggered worries, criticism and a scramble to buy before the announced levy takes hold. Among the…
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Optical AI chip uses light to transfer 100 million books in 7 minutes
Scientists at Canada’s Université Laval have developed a tiny yet game-changing optical chip capable of transmitting 1,000 gigabits per second while consuming only a fraction of the energy used by conventional systems.
The research team at…
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China firm launches world-largest green hydrogen and ammonia plant
A Shanghai-based company has commissioned a green hydrogen and ammonia production facility in Chifeng, China. Developed by Envision Energy, the plant is claimed to be the world’s largest and most advanced green hydrogen and ammonia production…
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Skanska-Flatiron JV Lands $658M Long Bridge North Contract
Skanska, in a joint venture with FlatironDragados, won a $658 million design‑build contract from the Virginia Passenger Rail Authority, issuing notice to proceed this month, to deliver the first phase of the Long Bridge North project in…
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