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Saturday’s quote: “She stabs!” Scientist shoots drone footage of Narwal

Researchers at Florida Atlantic University used drones to capture the previously undocumented theatrical behavior of Narwal. Credits: O’Corry-Crowe, Fau/Watt, DFO

Look, while somewhat positive climate news must be placed in the context of the ongoing global climate crisis, this week the researchers reported a new simulation suggesting that it is unlikely that the Atlantic meridian closure cycle will be closed within this century. Engineers have developed a new flat telescope lens that captures color while detecting light from distant stars, minimizing some of the trade-offs inherent to traditional lenses. And as someone who lives in a hurricane-prone region in the US, I was personally wary of Elon Musk’s government-efficient mass shootings in the National Maritime and Atmospheric Administration, which ultimately affects everyone.

Additionally, this week we reported on a cool way to infer the properties of quantum systems without destroying the underlying quantum information. It is possible that Earth has geological evidence that it would pass through the star-forming region 14 million years ago. And the scientists shot cool footage of Narwal’s actions in the Arctic.

So you want to violate the second law of thermodynamics

In 1867, physicist Clerk Maxwell proposed a thought experiment now called Maxwell’s Devil. To be fair, he initially did not call it “devil”, but physics is a field of science that is not afraid to call the devil in its thought experiments.

Anyway, Maxwell’s little guy controls the door between the two chambers containing the gas. As the gas molecule approaches the door, he opens only the fast moving molecule that moves in one direction and the slow moving molecule that moves in the other direction.

In a new study published in a physical review letter, a group of researchers discovered an approach to detecting the quantum properties of a system that draws inspiration from Maxwell’s demons. Traditional methods of observing the quantum properties of a system rely on the collapse of the quantum state of a system that destroys the information in the system.

While replacing quantum memories with quantum memories, they discovered that quantum systems characterize them by exchanging heat with their surroundings. Researchers investigated the idea that quantum coherence affects energy transfer in ways that classical systems cannot, allowing for indirect detection of properties such as spin and entanglement. Rather than relying on information-destructive measurements, this technique uses heat as an eyewitness.

“What makes our approach exciting is that it is not relying on a particular model or system. Instead, we can explore the fundamental constraints of heat exchange in quantum processes by simply measuring the thermal auxiliary or tropical that acts as an environment.”

Earth is a small, insignificant moat still in the vast oceans of space.

So there is a structure called Radcliffe wave, which is a thin strip that goes outside the vast interstellar reach and contains interconnected star-forming regions containing what is called the Orion Complex. International researchers now report that the solar system traveled through the Orion complex about 14 million years ago, and that the resulting cascade of effects may have left its mark on the evolution of Earth’s climate.

Researchers describe the solar system as a sea vessel and pass through “various galactic environments.” Moving through the Orion complex, we encountered interstellar regions with high gas density. This could have been compressing the heliosphere, a vast bubble surrounding the solar system that swells by the solar wind. Heliosphere protects the solar system from cosmic radiation.

The solar system would also encounter high levels of dust that could have penetrated the atmosphere, leaving traces of radioactive elements from the supernova in its geological records. These traces are too faint for current technology to detect. The time frame through the solar system’s Orion complex line up very well with the mid-Miocene climate transition as the Earth transitions from warmer to cooler climates.

narwhals observed that it was cute

Researchers at Florida Atlantic University recently conducted a study on Narwal’s behavior. Narwhals are great because they are like unicorns that actually exist. These Arctic whales have long spiral tusks that scientists say are actually teeth, but children in grades can easily identify them as horns that indicate magical origins. Importantly, their remote territory makes biologists less sure about the function of these helical tusks, further fascinating mythological speculations. But they are particularly sociable, gathering in groups and collectively raising young people.

From the drone footage, researchers found the first evidence of Narwal using tusks to manipulate Arctic charcoal fish and attack and capture them with tusks. They also documented Narwal’s first known play behavior and reported that aspects of the play of exploratory objects may include examples of social learning, social instruction, and differences in Narwal’s personality.

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Quote: Saturday Quote: “She stabs!” Scientist captures Drone footage of Narwhals (March 1, 2025) recovered on March 1, 2025 from https://phys.org/news/2025-02-Saturday-citations-thar-scientists.html

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