“Modified gravity” could rule out both dark matter and Planet Nine

Our solar system officially houses eight planets, but some scientists say there could be a ninth. And that’s not just Pluto aficionados – evidence suggests a huge undiscovered world lurks on the dark fringes out there. Now, a new study has found the ou… Continue reading “Modified gravity” could rule out both dark matter and Planet Nine

Puzzling astronomical observations support alternative theory of gravity

Astrophysicists have observed some puzzling behavior in star clusters that seem to defy our current understanding of gravity at cosmic scales. Intriguingly, the observations fit with an alternative theory of gravity that could negate the need for dark … Continue reading Puzzling astronomical observations support alternative theory of gravity

Top 100 highlights of the 2021 auction year

Our annual highlights of the auction year reached a crescendo in this post-2021 coverage - the most explosive growth, the most ridiculous lots, and dozens of examples of the most expensive items in history ... not to mention the most bizarre lots we've yet seen. The most intriguing of them all was the sale by tender of (most of) the cars from the 2015 movie, “Mad Max: Fury Road.”

The 2021 auction year was quite extraordinary, with almost all auction categories reporting unprecedented levels of participation and sales.

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Continue reading Top 100 highlights of the 2021 auction year

Top 100 highlights of the 2021 auction year

Our annual highlights of the auction year reached a crescendo in this post-2021 coverage - the most explosive growth, the most ridiculous lots, and dozens of examples of the most expensive items in history ... not to mention the most bizarre lots we've yet seen. The most intriguing of them all was the sale by tender of (most of) the cars from the 2015 movie, “Mad Max: Fury Road.”

The 2021 auction year was quite extraordinary, with almost all auction categories reporting unprecedented levels of participation and sales.

Continue Reading

Category: Collectibles, Lifestyle

Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Continue reading Top 100 highlights of the 2021 auction year

Science and sci-fi memorabilia booming at auction

This Apollo 11 Vintage NASA

It would be reasonable to expect that it might be a slow year at auction for science, technology and science-fiction, but 2021 is on track for a record. So far this year we have seen Isaac Newton’s revisions to Philosophiae naturalis principia mathematica sell in London for £1,702,500 (about US$2,350,000), an Albert Einstein letter with his famous E=mc2 equation in his handwriting sell for $1,243,707, a copy of Edward S. Curtis’ The North American Indian fetch $950,000, a Steve Jobs-signed Apple II Manual sell for $787,484 and an Apollo Guidance Computer fetch $746,000 … and the next month promises as much again.

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Stephen Hawking’s Voice Was Beamed to a Black Hole During His Funeral

Hawking’s message to preserve the planet was radioed into space during his Friday memorial at London’s Westminster Abbey. Continue reading Stephen Hawking’s Voice Was Beamed to a Black Hole During His Funeral

Émilie du Châtelet: An Energetic Life

Émilie du Châtelet lived a wild, wild life. She was a brilliant polymath who made important contributions to the Enlightenment, including adding a mathematical statement of conservation of energy into her French translation of Newton’s Principia, debunking the phlogiston theory of fire, and suggesting that what we would call infrared light carried heat.

She had good company; she was Voltaire’s lover and companion for fifteen years, and she built a private research institution out of a château with him before falling in love with a younger poet. She was tutored in math by Maupertuis and corresponded with Bernoulli and …read more

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Hackaday Prize Entry: Hacker Calculus

Mathematics, as it is taught in schools, sometimes falls short in its mission to educate the pupils. This is the view of [Joan Horvath] and [Rich Cameron], particularly with respect to the teaching of calculus, which they feel has become a purely algebraic discipline that leaves many students in the cold when it comes to understanding the concepts behind it.

Their Hacker Calculus project aims to address this, by returning to [Isaac Newton]’s 1687 seminal work on the matter, Philosophiae Naturalis Principia Mathematica. They were struck by how much the Principia was a work of geometry rather than algebra, and …read more

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