Category Archives: Current events

The Kilogram Is Redefined (and Other Units, too)

The kilogram, as my international readers will know is the official unit of mass in the metric system—or more precisely, the International System of Units (SI). But less well known is that until today, the kilogram has been defined not … Continue reading

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Elon Musk’s BFR Update and Yusaku Maezawa, the First Lunar Tourist

Last night, Galactic President CEO of SpaceX Elon Musk gave an update on his big future projects, the BFR (Big Falcon Rocket), BFS (which he says he needs to rename), and his planned tourist flight around the Moon. Video here. … Continue reading

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TESS Lifts Off

NASA’s Transiting Exoplanet Survey Satellite (TESS) lifted off on a SpaceX rocket last night. TESS is a follow-up to the wildly successful Kepler mission that will hunt for transiting planets—that is, planets that pass in front of their stars, blocking … Continue reading

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Falcon Heavy Blasts Off

SpaceX successfully completed the maiden flight of its new rocket, the Falcon Heavy, earlier today. This new heavy lifter can launch 63.8 metric tons to low Earth orbit, compared with 22.8 metric tons for the Falcon 9, making it officially … Continue reading

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Predicting More Earthquakes Next Year? It’s Not Crazy.

No, this isn’t an End Times conspiracy theory. It’s an actual prediction from two practicing geologists: Rebecca Bendick of the University of Montana and Roger Bilham of the University of Colorado. They have published a paper in Geophysical Research Letters … Continue reading

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LIGO Discovers Colliding Neutron Stars and Cosmic Gold

(Virgo doesn’t, but that’s still a good thing.) The two LIGO observatories and Virgo are the world’s three operational gravitational wave observatories. These observatories use incredibly precise lasers to detect the ripples in spacetime caused by colliding massive objects like … Continue reading

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Elon Musk Wants to Send People to Mars…in 2025!

On Friday, at the International Astronautical Congress in Adelaide, Australia, Elon Musk of PayPal and Tesla Motors fame announced his plans for the future of his rocket company, SpaceX. And it’s pretty epic. SpaceX has come a long way—from having … Continue reading

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