Ukrainian engineers created an invisibility cloak to protect troops from Russian thermal imaging The 2.5-kg cloak blocks body heat emission. It was developed by Brave1, a Ukrainian platform connecting innovators to the country’s defense needs. https://
euromaidanpress.com/2023/10/04/ukr
aine-develops-invisibility-cloak-to-protect-troops-from-russian-thermal-imaging/?swcfpc=1
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