Tag Archives: Elon Musk

Tesla’s Bitcoin about-face is a warning for cryptocurrencies that ignore climate change

Shutterstock John Hawkins, University of Canberra Over the weekend, Tesla chief executive Elon Musk suggested his company could sell off its Bitcoin holdings, sending the cryptocurrency plummeting. It followed Musk’s announcement earlier this month that his company would no longer accept Bitcoin in payment for its electric cars, due to the fossil fuels needed to create the digital currency. Bitcoin …

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Space tourism is here – 20 years after the first stellar tourist, Jeff Bezos’ Blue Origin plans to send civilians to space

Astronaut Tracy Caldwell Dyson on the International Space Station with a view many more are likely to see soon. NASA/Tracy Caldwell Dyson/WIkimediaCommons Wendy Whitman Cobb, US Air Force School of Advanced Air and Space Studies For most people, getting to the stars is nothing more than a dream. But on May 5, 2021, the 60th anniversary of the first suborbital …

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