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An international team of astronomers has identified a rare laser phenomenon shining from the heart of the planetary nebula Menzel 3, otherwise known as the Ant Nebula. The discovery suggests the presence of an as yet unseen companion star, hiding at the core of the chaotic cosmic structure.

Menzel 3 is located roughly 8,000 light years from Earth in the direction of the constellation Norma. Discovered by Donald Menzel in the 1920s, it was given the moniker of the Ant Nebula, owing to its apparent similarity to the head and thorax of a garden ant.

The striking object belongs to a specific family of diffuse bodies known as planetary nebula. Despite their suggestive name, the formation of these beautiful structures has nothing to do with planets, and is instead rooted in the demise of middleweight stars similar to our Sun.

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Scientists at the research consortium CaloriCool are closer than ever to the materials needed for a new type of refrigeration technology that is markedly more energy efficient than current gas compression systems. Currently, residential and commercial cooling consumes about one out of every five kilowatt-hours of electricity generated in the U.S., but a caloric refrigeration system could save as much as 30 percent in energy usage.

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By Julianna Photopoulos

A laser device can monitor vital signs such as your heartbeat, breathing rate, and muscle activity from up to a metre away. The device is intended for hospital patients or those with chronic diseases who need close monitoring at home. What’s more, it works through your clothes.

“No wires — everything is non-contact — continuously measuring different biomedical parameters with a single sensor,” says Zeev Zalevsky who developed the SmartHealth Mod with his team at ContinUse Biometrics, based …

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