Two More Dark Matter Searches Return Empty-Handed

A search for axion-like dark matter particles and another one for fermionic dark matter particles reported negative results. I have previously explained why this experimental strategy is extremely unlikely to work, most recently here. It is not irrelevant to note that both papers were published in PRL, one of the (if not the) top physics journals. 

This week's edition of Science News covers building a radio telescope on the moon, recent wormhole headlines, the delay of the Artemis 1 launch, and more.If you have an item to submit to the science news or a suggestion for the topical video on Saturday, simply reply to this email. 

Scroll Through Our Galactic Neighborhood

This new website visualizes the distribution of galaxies in our vicinity that have been mapped by recent surveys. 

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USA and Ukraine Collaborate on Producing Hydrogen With Small Nuclear Reactors

It almost got lost in the COP27 headlines, but John Kerry announced a three-year project between researchers in the USA and Ukraine whose purpose is to explore the production of hydrogen and ammonium with small modular reactors. It’s a promising approach that could produce clean fuel sustainably. More here. 

What (if anything) is the Link Between Quantum Mechanics and Consciousness?

In this week’s video I look at what physicists have said about the relation between consciousness and quantum mechanics, including a fairly recent paper that proposes to link wavefunction collapse with Integrated Information Theory, which supposedly quantifies consciousness.

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Existential Physics: The Big Questions Raised by Modern Physics

A contrarian scientist wrestles with the big questions that modern physics raises, and what physics says about the human condition. Order it here today!