Science

April 24, 2023

Alaskan Photographer Captures Mysterious Spiral in Sky Among Northern Lights

SpaceX has been in the news for their failed Starship rocket launch on April 20, but a few days earlier, they were in the news for something much different. While astrophotographers have been getting images of SpaceX launches for years, photographer Todd Salat captured something really special over the Donnelly Dome in Alaska. Also known as the Aurora Hunter, Salat was out taking photos of the aurora on April 15 when a mysterious spiral appeared.

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April 18, 2023

Watch a Trumpeter Play Fire in a Classic Physics Experiments That Lets Us “See Sound”

It’s not often we get to “see” sound. Perhaps we occasionally notice the digital waves in a voice recording, but watching sound happen—especially in real life—is a rarity. One classic physics experiment, however, allows us to do just that. Called Rubens Tube, or a standing wave flame tube, it displays the relationship between sound waves and sound pressure.

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April 13, 2023

Study Suggests That Plants Cry When They’re Stressed

Forgetting to water your plants happens from time to time. Aside from wilting leaves, it may seem like there are no other signs that the flora is not doing as well as it could. Well, a study published in Cell suggests that plants do have a way of communicating when they are stressed—by emitting high-pitched sounds. Don't feel bad if you've never noticed it though.

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