Weather sensors could float forever in the stratosphere using sunlight

2 years ago 100

A instrumentality that uses differences successful somesthesia to levitate could support tiny sensors floating indefinitely successful the stratosphere, specified arsenic for monitoring the weather

Technology 20 October 2022

By Karmela Padavic-Callaghan

G5YCKR International Space Station Earth reflection  representation  captured by Expedition 48 unit  members showing the prima   reflecting disconnected  the water  and the bladed  furniture   of ambiance  protecting the Earth from space.

Sunlight could support sensors floating successful the sky

NASA Photo/Alamy

Small sensors powered lone by sunlight could interval successful the stratosphere indefinitely and marque weather-related measurements.

There is simply a known effect for levitating level objects with 2 sides called photophoresis. This occurs erstwhile 1 of the sides absorbs tons of airy and the different precise little, creating a quality successful temperature. Just similar however somesthesia differences successful the ambiance origin winds, this somesthesia gradient makes molecules determination successful specified a mode arsenic to make a lifting unit connected the object.

Benjamin Schafer

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