Leading up to the launch, NSF will go live with over six hours of commentary stakeout. We will answer questions, observe, and provide you with everything you need to know for Starship Flight 8.
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In human engineering, we design systems to be predictable and controlled. By contrast, nature thrives on systems where simple rules generate rich, emergent complexity. The computational nature of the universe explains how simplicity can generate the complexity we see in natural phenomena. Imagine being able to understand everything about the universe and solve all its mysteries by a computational approach that uses very simple rules. Instead of being limited to mathematical equations, using very basic computational rules, we might be able to figure out and describe everything in the universe, like what happened at the very beginning? What is energy? What’s the nature of dark matter? Is traveling faster than light possible? What is consciousness? Is there free will? How can we unify different theories of physics into one ultimate theory of everything?
This paradigm goes against the traditional notion that complexity in nature must arise from complicated origins. It claims that simplicity in fundamental rules can produce astonishing complexity in behavior. Entering the Wolfram’s physics project: The computational universe!
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Chapters: 00:00 Intro. 01:48 Fundamentally computational. 08:51 Computational irreducibility. 13:14 Causal invariance. 16:16 Universal computation. 18:44 Spatial dimensions. 21:36 Space curvature. 23:52 Time and causality. 27:12 Energy. 29:38 Quantum mechanics. 31:31 Faster than light travel. 34:56 Dark matter. 36:30 Critiques. 39:15 Meta-framework. 41:19 The ultimate rule. 44:21 Consciousness. 46:00 Free will. 48:02 Meaning and purpose. 49:09 Unification. 55:14 Further analysis. 01:02:30 Credits.
In classical electromagnetism, electric and magnetic fields are the fundamental entities responsible for all physical effects. There is a compact formulation of electromagnetism that expresses the fields in terms of another quantity known as the electromagnetic potential, which can have a value everywhere in space. The fields are easily derived theoretically from the potential, but the potential itself was taken to be purely a mathematical device, with no physical meaning.
In quantum mechanics, shifts in the electromagnetic potential alter the description of a charged particle only by shifting its phase—that is, by advancing or retarding the crests and troughs in its quantum wave function. In general, however, such a phase change does not lead to any difference in the measurable properties of a particle.
But in 1959 Yakir Aharonov and David Bohm of the University of Bristol, UK, devised a thought experiment that linked the potential to a measurable result. In their scenario, a beam of electrons is split, with the two halves made to travel around opposite sides of a cylindrical electromagnet, or solenoid. The magnetic field is concentrated inside the solenoid and can be made arbitrarily weak outside by making the cylinder extremely narrow. So Aharonov and Bohm argued that the two electron paths can travel through an essentially field-free region that surrounds the concentrated field within the electromagnet.
The highly anticipated 8th Integrated Flight Test of Starship and Superheavy has arrived! Our live coverage of this historic event will be hosted by Will Robinson-Smith from Spaceflight Now! Please show your support by liking and sharing this stream with your friends and family! Now let’s light this candle!
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Blue ghost’s amazing view of the moon from 62 miles up.
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NASA has confirmed that Sunita Williams and Barry Wilmore will return to Earth in late March 2025 after spending over nine months aboard the ISS. Their return is scheduled to take place once the Crew-10 mission successfully arrives at the space station. Crew-10, carrying four new astronauts, will launch on March 12, 2025, at 7:48 PM EDT and undergo a week-long handover process before Williams and Wilmore begin their journey back. The decision to return them aboard a SpaceX Crew Dragon capsule was made due to ongoing technical issues with Boeing’s Starliner. NASA has assured that all necessary preparations are in place to facilitate a safe return. Sunita Williams Health Update: NASA Astronaut’s Mother Bonnie Pandya Dismisses Health Concerns Surrounding Her Daughter, Says ‘Space Is As Safe as Anywhere Else’ (Watch Video).
Williams and Wilmore’s return capsule, the SpaceX Crew Dragon, will follow a carefully planned re-entry trajectory before making a splashdown in designated waters. NASA has shortlisted landing sites in the Atlantic Ocean and the Gulf of Mexico, with the final decision depending on weather and oceanic conditions at the time of descent. SpaceX recovery teams will be stationed near the landing zone, ready to retrieve the capsule and transport the astronauts back to shore. After landing, Williams and Wilmore will undergo a thorough medical assessment before heading to NASA’s facilities for debriefing.
Sunita Williams’ return to Earth marks the end of an unexpectedly extended mission that was originally planned for just ten days but stretched to over nine months. The delay was primarily due to technical issues with Boeing’s Starliner, which faced multiple failures, including propulsion system malfunctions and propellant leaks. NASA, prioritising astronaut safety, decided to postpone their return until a reliable alternative was arranged.
NASA, the National Aeronautics and Space Administration, is the United States government agency responsible for the nation’s civilian space program and for aeronautics and aerospace research. Established in 1958 by the National Aeronautics and Space Act, NASA has led the U.S. in space exploration efforts, including the Apollo moon-landing missions, the Skylab space station, and the Space Shuttle program.
