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Category: alien life – Page 85

Why Going Faster-Than-Light Leads to Time Paradoxes

►Is faster-than-light (FTL) travel possible? In most discussions of this, we get hung up on the physics of particular ideas, such as wormholes or warp drives. But today, we take a more zoomed out approach that addresses all FTL propulsion — as well as FTL messaging. Because it turns out that they all allow for time travel. Join us today as we explore why this is so and the profound consequences that ensue. Special thanks to Prof Matt.

Written & presented by Prof David Kipping. Special thanks to Prof Matt Buckley for fact checking and his great blog article that inspired this video (http://www.physicsmatt.com/blog/2016/8/25/why-ftl-implies-time-travel)

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::References::
► Alcubierre, M., 1994, “The warp drive: hyper-fast travel within general relativity”, Classical and Quantum Gravity, 11 L73: https://arxiv.org/abs/gr-qc/0009013
► Pfenning, M. & Ford, L., 1997, “The unphysical nature of Warp Drive”, Classical and Quantum Gravity, 14, 1743: https://arxiv.org/abs/gr-qc/9702026
► Finazzi, S., Liberati, S., Barceló, C., 2009, “Semiclassical instability of dynamical warp drives”, Physical Review D., 79, 124017: https://arxiv.org/abs/0904.0141
► McMonigal, B., Lewis, G., O’Byrne, P., 2012, “Alcubierre warp drive: On the matter of matter”, Physical Review D., 85, 064024: https://arxiv.org/abs/1202.5708
► Everett, A., 1996, “Warp drive and causality”, Physical Review D, 53, 7365: https://journals.aps.org/prd/abstract/10.1103/PhysRevD.53.

::Music::

Continue reading “Why Going Faster-Than-Light Leads to Time Paradoxes” | >

Transporter-4 Mission

Including one long-awaited and colossal German satellite. It’s never too late to join the party when you’re headed to space.

On Friday, April 1 at 12:24 p.m. ET, Falcon 9 launched Transporter-4, SpaceX’s fourth dedicated smallsat rideshare program mission, from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida. This was the seventh launch and landing of this Falcon 9 stage booster, which previously supported launch of Crew-1, Crew-2, SXM-8, CRS-23, IXPE, and one Starlink mission. Following stage separation, Falcon 9’s first stage landed on the Just Read the Instructions droneship, which was stationed in the Atlantic Ocean.

On board this flight were 40 spacecraft, including CubeSats, microsats, picosats, non-deploying hosted payloads, and an orbital transfer vehicle carrying spacecraft to be deployed at a later time.

Blue Origin Successfully Completes Fourth Human Spaceflight

No celebrities flew to space after SNL’s Pete Davidson pulled out. Blue Origin completed its fourth crewed spaceflight, taking six passengers up into suborbital space.

According to conspiracy theorists, this popular Air Force testing facility is a secret research center for studying alien technology. So what’s the truth and why did people want to raid Area 51 back in 2019?

Mind-Body Philosophy | Solving the Hard Problem of Consciousness with Patrick Grim

Mind-body philosophy | solving the hard problem of consciousness.

Recent advances in science and technology have allowed us to reveal — and in some cases even alter — the innermost workings of the human body. With electron microscopes, we can see our DNA, the source code of life itself. With nanobots, we can send cameras throughout our bodies and deliver drugs directly into the areas where they are most needed. We are even using artificially intelligent robots to perform surgeries on ourselves with unprecedented precision and accuracy.

Materialism says that the cosmos, and all that is contains, is an objective physical reality. As a result, philosophers who subscribe to this school of thought assert that consciousness, and all that it entails, arises from material interactions. As such, the material world (our flesh, neurons, synapse, etc.) is what creates consciousness.

Idealism says that the universe is entirely subjective and that reality is something that is mentally constructed. In other words, consciousness is something that is immaterial and cannot be observed or measured empirically. Since consciousness is what creates the material world, according to this school of thought, it is unclear if we can ever truly know anything that is mind-independent and beyond our subjective experience.

Dualism essentially holds that mental phenomena are, in some respects, non-physical in nature. In this respect, the mind and the body exist, but they are distinct and separable.

Although most modern philosophers subscribe to the materialist view, determining, and ultimately understanding, the nature of human consciousness using an empirical methodology is a remarkably difficult task. The primary issue with accomplishing the aforementioned is that empirical science requires things to be measured objectively. And when it comes to consciousness, everything is subjective.

Continue reading “Mind-Body Philosophy | Solving the Hard Problem of Consciousness with Patrick Grim” | >

With 21 Flights Under its Belt, Ingenuity is Getting a Mission Extension

Ingenuity, the helicopter currently zipping its way around Mars, has been a hotly watched topic here at UT. After completing its 21st mission and being on the planet for a little over a year, Ingenuity’s handlers have officially extended its mission in the hopes that it will continue its stellar, groundbreaking performances.

Perseverance, Ingenuity’s rover companion, is transitioning into its second scientific campaign, where it plans to travel 130 meters up from the Jezero crater floor to a dried-up river delta. Here it will focus on one of its primary missions – searching for evidence of ancient life on Mars. And Ingenuity will help lead the way.

Even Ingenuity’s path to the river delta, which isn’t limited to staying on the ground, won’t be easy. It will likely take three separate flights to get to a new staging area in the delta, including one that goes around a hill that rises off the crater floor. During this time, it will help scout a pathway for Perseverance to take, including providing information to decide which of two river channels the rover should take to reach the delta itself.

News from The German SETI Workshop

Is alien contact likely and if it happens what would be the consequences? Takeaways from the German SETI meeting.

Whether (some) UAP sightings are evidence of an alien presence or not, and whether aliens exist or not, the broad consensus of the IFEX workshop was that we should be prepared for alien contact. Too many catastrophes have occurred in humanity’s past because we were unprepared.

It’s Official: NASA Confirms We’ve Found 5,000 Worlds Outside The Solar System

In January 1992, two cosmic objects forever changed our galaxy.

For the first time, we had concrete evidence of extrasolar planets, or exoplanets, orbiting an alien star: two rocky worlds, whirling around a star 2,300 light-years away.

Now, just over 30 years later, that number has exploded. This week, March 21 marked the hugely significant milestone of over 5,000 exoplanets confirmed. To be precise, 5,005 exoplanets are now documented in the NASA exoplanet archive, every one with its own unique characteristics.

Gensyn applies a token to distributed computing for AI developers, raises $6.5M

For self-driving cars and other applications developed using AI, you need what’s known as “deep learning”, the core concepts of which emerged in the ’50s. This requires training models based on similar patterns as seen in the human brain. This, in turn, requires a large amount of compute power, as afforded by TPUs (tensor processing units) or GPUs (graphics processing units) running for lengthy periods. However, cost of this compute power is out of reach of most AI developers, who largely rent it from cloud computing platforms such as AWS or Azure. What is to be done?

Well, one approach is that taken by U.K. startup Gensyn. It’s taken the idea of the distributed computing power of older projects such as SETI@home and the COVID-19 focussed Folding@home and applied it in the direction of this desire for deep learning amongst AI developers. The result is a way to get high-performance compute power from a distributed network of computers.

Gensyn has now raised a $6.5 million seed led by Eden Block, a web3 VC. Also participating in the round is Galaxy Digital, Maven 11, Coinfund, Hypersphere, Zee Prime and founders from some blockchain protocols. This adds to a previously unannounced pre-seed investment of $1.1 millionin 2021 — led by 7percent Ventures and Counterview Capital, with participation from Entrepreneur First and id4 Ventures.

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