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Category: space – Page 26

3D Time Could Solve Physics’ Biggest Problem, Says Bizarre New Study

Clocks might be far more fundamental to physics than we ever realized.

A new theory suggests what we see around us – from the smallest of quantum actions to the cosmic crawl of entire galaxies – could all be literally a matter of time. Three dimensions of time, in fact.

The basic idea of 3D time isn’t new. But University of Alaska geophysicist Gunther Kletetschka says his mathematical framework is the first to reproduce known properties of the Universe, making it a somewhat serious contender for uniting physics under one consistent model.

Sleep helps stitch memories into cognitive maps, according to new neuroscience breakthrough

Scientists have discovered that forming a mental map of a new environment takes more than just recognizing individual places—it also requires sleep. The study highlights how weakly tuned neurons gradually become synchronized to encode space as a connected whole.

Rolling for science: Mars orbiter learns new moves after nearly 20 years in space

After nearly 20 years of operations, NASA’s Mars Reconnaissance Orbiter (MRO) is on a roll, performing a new maneuver to squeeze even more science out of the busy spacecraft as it circles the Red Planet. Engineers have essentially taught the probe to roll over so that it’s nearly upside down. Doing so enables MRO to look deeper underground as it searches for liquid and frozen water, among other things.

The new capability is detailed in a paper recently published in The Planetary Science Journal documenting three “very large rolls,” as the mission calls them, that were performed between 2023 and 2024.

“Not only can you teach an old spacecraft new tricks, you can open up entirely new regions of the subsurface to explore by doing so,” said one of the paper’s authors, Gareth Morgan of the Planetary Science Institute in Tucson, Arizona.

What was Opportunity?

Together, Spirit and Opportunity represented the Mars Exploration Rover Mission (MER)—itself part of NASA’s Mars Exploration Program.

The twin missions’ main scientific objective was to search for a range of rocks and soil types and then look for clues for past water activity on Mars. Each rover, about the size of a golf cart and seven times heavier (408 pounds or 185 kilograms) than the Sojourner rover on Mars, was targeted to opposite sides of the planet in locales that were suspected of having been affected by liquid water in the past.

The plan was for the rovers to move from place to place and to perform on-site geological investigations and take photographs with mast-mounted cameras (about five feet or 1.5 meters off the ground) providing 360-degree stereoscopic views of the terrain.

“Time Breaks Down at Quantum Scale”: New Scientific Discovery Shocks Physicists and Redefines the Laws of the Universe

IN A NUTSHELL 🔍 Physicists in England discovered two opposing arrows of time in open quantum systems, challenging traditional views. 🌌 The study suggests time can move in both directions at the quantum level, revealing a symmetrical nature. ♻️ Entropy continues to increase in both directions of time, prompting a reevaluation of thermodynamic principles. 🧠.

Physicists Unravel Mystery of Mercury’s Bizarre Nuclear Fission

A five-dimensional model has successfully predicted the asymmetric fission of mercury isotopes, offering new insights into nuclear fission processes beyond the well-studied elements uranium and plutonium. A five-dimensional (5D) Langevin model developed by an international team of researchers, in

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