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News
MIT’s new lidar chip could give self-driving cars a wider view
3+ day, 13+ hour ago (548+ words) MIT engineers have found a way to give chip-based lidar a wider, clearer view without relying on moving parts. Their design uses differently shaped antennas that can sit close together without scrambling one another’s signals. In tests, the system sharply…...
Simple water trick slashes diesel engine pollution by over 60%
3+ week, 3+ day ago (902+ words) Diesel engines power everything from freight trucks and farm equipment to generators and industrial machinery. They are valued for their strength, durability, and fuel efficiency. But there is a downside. Diesel exhaust is a major source of air pollution, releasing…...
Chinese sodium battery surprised scientists by matching key Tesla benchmarks
1+ mon, 4+ day ago (207+ words) Researchers found that a Chinese sodium-ion battery performs far better than expected, with production quality and design features comparable to Tesla’s batteries. If engineers can improve cold-weather charging and energy density, sodium could become a cheaper and more abundant alternative…...
A single cobalt shock could trigger global EV battery supply chaos
1+ mon, 5+ day ago (207+ words) The global cobalt supply chain is more interconnected—and more vulnerable—than previously thought, with disruptions capable of triggering far-reaching cascades across multiple countries and industries. Researchers warn that protecting battery supply chains will require system-wide coordination because critical bottlenecks…...
Scientists finally solve the 100-year mystery behind tough tires
2+ mon, 1+ week ago (972+ words) Now, researchers at the University of South Florida say they have finally solved the mystery. Led by engineering Professor David Simmons, the team uncovered how tiny carbon black particles transform soft rubber into a material capable of supporting massive loads,…...
Simple water trick cuts diesel engine pollution by over 60%
4+ mon, 1+ week ago (422+ words) WiDE technology mixes extremely small droplets of water into diesel fuel. Special chemicals called surfactants keep the water and diesel evenly blended, allowing the emulsion to remain stable for up to sixty days. Major Reductions in Diesel Engine Emissions According…...
Scientists turn scrap car aluminum into high-performance metal for new vehicles
4+ mon, 2+ week ago (840+ words) Over the next decade, a large amount of aluminum from vehicle body panels is expected to enter recycling and salvage systems. Much of this material cannot currently be reused in critical automotive components because contamination makes it too impure. That…...
New engine uses the freezing cold of space to generate power at night
4+ mon, 3+ week ago (403+ words) Engineers at the University of California, Davis have created a device that produces mechanical power at night by taking advantage of the temperature difference between the warmth of the Earth and the extreme cold of outer space. The system could…...
Lighting the way for electric vehicles by using streetlamps as chargers
9+ mon, 2+ week ago (364+ words) Electric vehicles (EVs) can have lower fuel costs and reduce emissions relative to cars that use gasoline, but they are only a practical option if drivers have convenient ways to charge them. For people who live in multi-unit dwellings or…...