Climate sensors may float eternally within the stratosphere utilizing daylight

A tool that makes use of variations in temperature to levitate may maintain small sensors floating indefinitely within the stratosphere, reminiscent of for monitoring the climate


20 October 2022

G5YCKR International Space Station Earth observation image captured by Expedition 48 crew members showing the sun reflecting off the ocean and the thin layer of atmosphere protecting the Earth from space.

Daylight may maintain sensors floating within the sky

NASA Photograph/Alamy

Small sensors powered solely by daylight may float within the stratosphere indefinitely and make weather-related measurements.

There’s a recognized impact for levitating flat objects with two sides referred to as photophoresis. This happens when one of many sides absorbs a number of gentle and the opposite little or no, making a distinction in temperature. Similar to how temperature variations within the ambiance trigger winds, this temperature gradient makes molecules transfer in such a method as to create a lifting drive on the thing.

Benjamin Schafer

Rahul Diyashi
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