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Federal, transportation and union leaders gathered in Las Vegas Monday to drive spikes into a symbolic rail, marking the beginning of construction for a $12 billion high-speed rail line that will link Las Vegas and the Los Angeles area.

“People have been dreaming of high-speed rail in America for decades,” Transportation Secretary Pete Buttigieg said Monday ahead of the groundbreaking ceremony. “It’s really happening this time.”

Sir Roger Penrose proposes that the universe undergoes repeated cycles of expansion, decay, and rebirth, challenging the traditional notion of a singular Big Bang origin.

Renowned physicist Sir Roger Penrose, hailing from the University of Oxford and a co-recipient of the 2020 Nobel Prize in Physics, posits a fascinating theory regarding the universe’s cyclical nature. Contrary to prevailing notions, Penrose suggests that our universe has undergone numerous Big Bang events, with another impending in the future.

Penrose’s Nobel-winning contributions revolve around advancing mathematical frameworks that not only validate but also extend Albert Einstein’s general theory of relativity. Moreover, his investigations into black holes elucidated the phenomenon of gravitational collapse, wherein excessively dense entities converge into singularities, infinitely massive points.

Continue reading “The universe’s repeated rebirth and dying, controversial claim by Nobel Prize Winner” »

Scientists have successfully engineered functional artificial cells in the lab that behave like living cells.

Advances in the development of cytoskeletal-like materials with modular structures and mechanics are pivotal for the engineering of synthetic cells. Now actin-mimetic supramolecular peptide networks have been designed using programmable peptide–DNA crosslinkers, giving rise to tunable tactoid-shaped bundles and mechanical properties that control spatial localization, the diffusion of payloads and shape changes within artificial cells.

Read how Congress is pressing the DEA to reclassify marijuana from a Schedule I drug to Schedule III.

Marijuana is currently classified as a Schedule I drug, meaning these are “drugs with no currently accepted medical use and a high potential for abuse.” However, a team of 21 bipartisan congressional leaders from both the Senate and House of Representatives hopes to change that as they recently sent a letter to the United States Drug Enforcement Administration (DEA) pushing them to “promptly remove marijuana from Schedule I of the Controlled Substances Act (CSA)”, noting that almost eight months had passed “since the Department of Health and Human Services (HHS) recommended rescheduling marijuana to Schedule III — and 18 months since President Biden directed HHS and the Department of Justice (DOJ) to begin the process of reviewing marijuana’s scheduling.”

Examples of other Schedule I drugs include heroin, lysergic acid diethylamide (LSD), marijuana (cannabis), 3,4-methylenedioxymethamphetamine (ecstasy), methaqualone, and peyote, while Schedule III drugs include Tylenol, ketamine, anabolic steroids, and testosterone. Additionally, the penalties between Schedule I and Schedule III drugs also demonstrate stark contrasts, as well.

Continue reading “Bipartisan Effort Demands DEA Action on Marijuana Scheduling” »

From stabilizing qubits (the basic unit of information in a quantum computer) to maintaining the superconducting properties of materials and keeping NASA’s James Webb Space Telescope cool enough to observe the heavens, ultracold refrigeration is essential to the operation of many devices and sensors. For decades, the pulse tube refrigerator (PTR) has been the workhorse device for achieving temperatures as cold as the vacuum of outer space.

These refrigerators cyclically compress (heat) and expand (cool) high pressure helium gas to achieve the “Big Chill,” broadly analogous to the way a household refrigerator uses the transformation of freon from liquid to vapor to remove heat. For more than 40 years, the PTR has proven its reliability, but it is also power-hungry, consuming more electricity than any other component of an ultralow temperature experiment.

02:15 Consciousness as an illusion10:02 How would a belief look in the brain?23:07 Two kinds of dualism29:49 What if you and I see blue differently?38:34 Is…

A scientist at the University of Portsmouth claims to have ‘evidence’ that humanity exists with a simulation. In the 1999 movie The Matrix, the plot centers around the fact that we live in a digital simulation, and scientist Melvin Vopson claims that fact may match the fiction of the popular blockbuster.

Vopson has written extensively on the topic of the possibility that the known universe is a digital facsimile. He has provided articles for The Conversation and authored a book, Reality Reloaded, on the theme.

But while many of the theories posited about the universe being a simulation are in the realm of the abstract, Vopson now claims to have evidence that support his theory. “In physics, there are laws that govern everything that happens in the universe, for example how objects move, how energy flows, and so on. Everything is based on the laws of physics,” the scientist said in 2022, reports Popular Mechanics.

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