A commercial nuclear battery from City Labs. A Betavoltaic cell is a device that uses a radioactive source of beta particles and a semiconductor p-n junction to generate electricity. Tritium ...

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It also lowered PV cell temperature by up to 8 °C (14 °F), reducing energy losses due to heat and increasing power conversion efficiency by 12.6%. Total solar energy utilization was up to 14.9%.

The Dell XPS 13 (9350) gets solid performance and graphics from its Intel Core Ultra 7 258V processor, along with impressive ...

The Inspiron laptops are for you if the flagship XPS line is just a little too out of pocket. This is one of the best of that brand, offering a real alternative to the 16-inch XPS model. You're ...

Is there really any point in capping yourself at less than full capacity? It’s time to wade through more battery facts and fiction. Here’s what you should know. Battery health has two major ...

Cell membranes protect and organize cells. All cells have an outer plasma membrane that regulates not only what enters the cell, but also how much of any given substance comes in. Unlike ...

Most cell signals are chemical in nature. For example, prokaryotic organisms have sensors that detect nutrients and help them navigate toward food sources. In multicellular organisms, growth ...

Is your phone, tablet, or laptop typically in the battery red zone before the day's end? These portable chargers and power banks give you the most boost when you're out of juice. I’m a Mobile ...

Intel's Lunar Lake debuts with striking effect, elevating the Dell XPS 13 (9350) ahead of its MacBook rival in Laptop Mag's ...

Dim your screen and use dark mode to save battery life without compromising brightness for impaired eyesight. Disable ...