High-Altitude Balloons Aren't Just for Spying. Here's How Scientists Use Them | Smart News
Students, scientists and hobbyists are beginning to worry for their research as balloons are increasingly shot down
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Students, scientists and hobbyists are beginning to worry for their research as balloons are increasingly shot down
Many people have noticed the reddish-pink glow of mountaintops on winter evenings. This is known as alpenglow - a natural phenomenon that has to do with how we perceive visible light. But to understand why we experience alpenglow, we must first know why we see any light.
The Pentagon has tried to avoid describing the devices as balloons, but it is not clear what else would be able to fly at such heights without propulsion.
As more unidentified objects were shot down by the U.S. Air Force in recent days, experts warned that there were an “endless” array of potential targets.