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Why do some white dwarfs have a magnetic field while others don’t? A new research project aims to understand this mystery of the universe. Credit: Mark Garlick White dwarfs (the dense remnants of ...

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The calculations show that for a spacecraft with a volume of 103 m3, reaching twice the speed of light requires a total energy of 1.8 × 1014 J and a magnetic field strength of 680 T. For a flying ...

Treasury Secretary Scott Bessent and Elon Musk. Photos: Chip Somodevilla/Getty Images, Terence Lewis/Icon Sportswire via Getty Images ...