A technique inspired by the film Interstellar suggests a new way of communicating backwards in time, but it could help improve conventional communication systems as well
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The Fermi Paradox Just Got Worse
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The Fermi Paradox is the question of why we havenât been contacted by any extraterrestrial species. In a recent paper, astrophysicists analyzed the paradox by instead examining how civilizations with the ability to send signals through space might develop. Unfortunately for us, their findings are quite bleak â but letâs take a look anyway.
Paper: https://arxiv.org/abs/2602.
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đ© Free weekly science newsletter â https://sabinehossenfelder.com/newsle⊠Audio only podcast â https://open.spotify.com/show/0MkNfXl⊠đ Join this channel to get access to perks â / @sabinehossenfelder đ Buy my book â https://amzn.to/3HSAWJW #science #sciencenews #aliens #astrophysics This video discusses the Fermi Paradox, questioning the absence of extraterrestrial life despite the vastness of the cosmos. The Milky Way has had billions of years to produce civilizations, so where is everybody? A new paperâs analysis suggests a concerning conclusion regarding this silence, prompting us to consider what the lack of alien life tells us about our universe. đ
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#science #sciencenews #aliens #astrophysics.
This video discusses the Fermi Paradox, questioning the absence of extraterrestrial life despite the vastness of the cosmos. The Milky Way has had billions of years to produce civilizations, so where is everybody? A new paperâs analysis suggests a concerning conclusion regarding this silence, prompting us to consider what the lack of alien life tells us about our universe. đ
A 4km Drive That Changed Physics: The First Antimatter Transport
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Hello and welcome! My name is Anton and in this video, we will talk about the first ever antimatter transportation using a truck
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MogueHeart â The Dyson Sphere [SpaceAmbient Channel]
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Dust Traps Twice as Much Heat as Climate Models Estimate
Atmospheric desert dust absorbs roughly twice the heat previously estimated by climate models, representing about 10% of total global warming. [ https://www.labroots.com/trending/earth-and-the-environment/âŠestimate-2](https://www.labroots.com/trending/earth-and-the-environment/âŠestimate-2)
What role does dust play in climate change? This is what a recent study published in Nature Communications hopes to address as a team of scientists investigated how desert dust could be used to constrain climate models. This study has the potential to help researchers, climate scientists, legislators, and the public better understand new methods for understanding the various environmental factors that contribute to climate change.
For the study, the researchers used a combination of observational data and computer models with the goal of filling a knowledge gap regarding how desert dust influences solar radiation distribution within Earthâs atmosphere. The observational data was obtained from satellites and aircraft measurements while the climate models obtained new data for computing the results. In the end, the researchers found that while dust cools the planet, it is also prone to trap double the heat as climate models have estimated, or 10 percent of the total heat retention for the planet.
âAtmospheric dust traps about a quarter of a watt per square meter of heat by absorbing and scattering the heat radiation emitted by the Earth, comparable to roughly one-tenth of the warming effect produced by the carbon dioxide emitted from all human activities,â said Dr. Jasper Kok, who is a professor in atmospheric and ocean sciences at UCLA and lead author of the study. âCurrent climate models undercount the heating effect of dust by about half. The climate models remain effective and useful, and this will make them even more precise.â
New Drone Tech Helps Locate Accessible Water on Mars
Drone-mounted ground-penetrating radar can efficiently map subsurface ice depth, providing a vital tool for locating accessible water sources for future Mars missions. [ https://www.labroots.com/trending/technology/30506/drone-tecâŠter-mars-2](https://www.labroots.com/trending/technology/30506/drone-tecâŠter-mars-2)
How can drones help find buried water on Mars? This is what a recent study published in Journal of Geophysical Research: Planets hopes to address as a team of scientists investigated how ground-penetrating radar installed on drones could be used to find buried water ice on Mars. This study has the potential to help scientists develop new methods for helping future astronauts on Mars locate accessible resources, specifically water ice, which they can use for mission essential purposes.
For the study, the researchers used a DJI Matrice 600 Pro drone and a MALA Geodrone radar to search for buried water ice in Sourdough rock glacier (RG), Alaska, and Galena Creek RG, Wyoming with bulk glacier thicknesses of 28.5 meters (93.5 feet) and 48.6 meters (159.4 feet), respectively. The primary motivation for the study was to address a knowledge gap regarding orbital data and ground-level data for searching for water ice on Mars. This is because while Mars orbiters have found buried water ice on Mars, their radars are limited to 10â20 meters (32.8â65.6 feet) beneath the surface. In the end, the researchers compared their findings with previous data from drillings and ice cores and discovered a match, indicating their drone experiment to identify buried water ice worked.
âWe are filling the gap between todayâs orbital observations and a more distant future, where astronauts land on Mars and make observations on the ground,â said Roberto Aguilar, who is a PhD student at University of Arizona and lead author of the study. âThis gives us a way to investigate the glaciers now, from the air.â
Why Doctors Say OpenEvidence Is A âGame Changerâ
What is Open Evidence? It is a chatbot specialized for doctors to use to help speed up their work. 50 percent of all American doctors so far are signed up for it.
Chatbots, when utilized properly have great potential to help in the field.
From oncology to cardiology, AI platform OpenEvidence is helping physicians keep pace with medical breakthroughs while focusing on their patients. The software is used by around half of all American doctors, and is proving a game changer for physicians.
ââ-
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Reality is a dream not a simulation
Most physicists are materialists who believe the world consists of physical particles at the fundamental level. Others have argued reality is a simulation or a hallucination of the brain. But Andrew T. Jaffe challenges all of these views, proposing an alternative consciousness-first theory where space and time arise as within a dream.
Groove Quantum Demonstrates 18-Qubit Spin Processor and Secures Funding
PRESS RELEASE â Groove Quantum today announced it has raised âŹ16 million in combined funding and demonstrated an 18-qubit semiconductor spin-qubit processor, the largest of its kind ever built. The result marks a step beyond small-scale laboratory prototypes toward a quantum processor architecture designed for large-scale integration. The combined funding consists of âŹ10 million in equity and âŹ6 million in grants. The equity seed round is co-led by Innovation Industries, a leading European deep tech fund, and 55 North, the worldâs largest pure-play quantum fund, with participation from Verve Ventures and the European Innovation Council Fund. Additional funding is provided by grants from the EIC Accelerator programme and JU Chips Act funding programme further underscores institutional confidence in Grooveâs approach.
Groove will use the capital to scale qubit count exponentially and to begin manufacturing its processors at established semiconductor foundries.
Quantum computers create a fundamentally new way of computing. This opens the door to solving complex challenges that would take todayâs most powerful supercomputers impractically long to address, like the discovery of new medicines, and the design of advanced materials for renewable energy â challenges that are highly important and have a profoundly positive impact on humanity.
