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The Fermi Paradox is an estimate that says: Given all we currently know about the universe, we should have found extraterrestrial life already. So why haven’t we? In a paper that just appeared two weeks ago, a physicist has now put forward the idea that aliens use quantum communication. How does that solve the Fermi Paradox? I’ve had a look.
Paper here: https://arxiv.org/abs/2408.
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Anduril Industries is planning to construct a new factory to scale weapons production for the United States defense base. Anduril Industries Co-Founder and Executive Chairman Trae Stephens joins Market Domination Overtime to discuss this initiative.
Stephens explains that the legacy defense industry has traditionally focused on \.
Interest in Earth-like planets orbiting within the habitable zone of their host stars has surged, driven by the quest to discover life beyond our solar system. But the habitability of such planets, known as exoplanets, is influenced by more than just their distance from the star.
A new study by Rice University’s David Alexander and Anthony Atkinson extends the definition of a habitable zone for planets to include their star’s magnetic field. This factor, well studied in our solar system, can have significant implications for life on other planets, according to the research published in The Astrophysical Journal on July 9.
The presence and strength of a planet’s magnetic field and its interaction with the host star’s magnetic field are pivotal factors in a planet’s ability to support life. An exoplanet needs a strong magnetic field to protect it from stellar activity, and it must orbit far enough from its star to avoid a direct and potentially catastrophic magnetic connection.
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The mission aims to investigate whether Jupiter’s three moons – Callisto, Europa and Ganymede – can support life in its oceans.
Visualizing Global Attitudes Towards AI 🤖
From the archive:
We visualize survey results from over 19,000 adults across 28 countries to see how attitudes towards AI differ around the world.
Harvard researchers have shown that quantum coherence can survive chemical reactions at ultracold temperatures. Using advanced techniques, they demonstrated this with 40K87Rb bialkali molecules, suggesting potential applications in quantum information science and broader implications for understanding chemical reactions.
Zoom in on a chemical reaction to the quantum level and you’ll notice that particles behave like waves that can ripple and collide. Scientists have long sought to understand quantum coherence, the ability of particles to maintain phase relationships and exist in multiple states simultaneously; this is akin to all parts of a wave being synchronized. It has been an open question whether quantum coherence can persist through a chemical reaction where bonds dynamically break and form.
Now, for the first time, a team of Harvard scientists has demonstrated the survival of quantum coherence in a chemical reaction involving ultracold molecules. These findings highlight the potential of harnessing chemical reactions for future applications in quantum information science.
Cognitive flexibility, the ability to rapidly switch between different thoughts and mental concepts, is a highly advantageous human capability. This salient capability supports multi-tasking, the rapid acquisition of new skills and the adaptation to new situations.
While artificial intelligence (AI) systems have become increasingly advanced over the past few decades, they currently do not exhibit the same flexibility as humans in learning new skills and switching between tasks. A better understanding of how biological neural circuits support cognitive flexibility, particularly how they support multi-tasking, could inform future efforts aimed at developing more flexible AI.
Recently, some computer scientists and neuroscientists have been studying neural computations using artificial neural networks. Most of these networks, however, were generally trained to tackle specific tasks individually as opposed to multiple tasks.