This is the Coulomb's law. Compared to the Newton's law of gravitation equation ... we get a negative sign and the vector will point in the opposite direction The equation for the force in this ...

Jan. 14, 2025 — Federal reservoirs could help meet the country's solar energy needs, according to a new study. Geospatial scientists and senior legal and regulatory analyst quantified exactly ...

How can the latest technology, such as solar cells, be improved? An international research team led by the University of ...

Jan. 30, 2025 — Researchers verified the chiral-induced spin selectivity effect, i.e., the influence of chiral molecules on spin, using spintronic analytical ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise.

With no new models dropping recently, the best electric scooters in 2025 remain our top picks from last year. Having one of the best electric scooters can help cut your commute time, save money on ...

How can the latest technology, such as solar cells, be improved? An international research team led by the University of ...

Steve was the Labs manager for CNET's Home Division based in Louisville, Kentucky. Expertise Portable power stations, tools, coolers, lawn mowers, DIY. Macy Meyer is a North Carolina native who ...

Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions of people worldwide every day. Reuters provides business, financial ...

The best electric bikes are an ideal choice if you want to cut down on the time you spend in the car. From quick daily commutes to short trips into town, these bikes can help you get up to speed ...

Electric cars are smooth to drive, create zero exhaust emissions and have the potential for very low day-to-day running costs. But our lab tests show not all electric cars are created equal. You can ...

After three years of grooming reporting, I know that an electric razor can give a close, comfortable shave, with minimal razor burn or rash — even for guys with sensitive skin. Chad Beightol ...