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‘Stealth Sheet’ Makes People And Vehicles Invisible To Drones By Suppressing Infrared Light

The stealth sheet was created by researchers that hope it will be used in battle. As weapons become more sophisticated with the advances in technology, so do the countermeasures to weapons. Researchers at the University of Wisconsin-Madison have invented the “stealth sheet,” which is a super thin sheet that can suppress infrared light. This can be used to mask people and vehicles that emit infrared light, which can normally be picked up by drones, heat-sensing night vision goggles, and infrared cameras, according to the Daily Mail. The stealth sheet is made out of a bendable silicon material, masks up to 94 percent of infrared light, and is only a millimeter wide. The co-author of the study, Hongrui Jiang, described the concept behind the invention. “You can intentionally deceive an infrared detector by presenting a false heat signature … It could conceal a tank by presenting what looks like a simply highway guardrail.” So far, the stealth sheet has been tested with a model of the hu…

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Cold War Artifacts of the day: The 7 Chinese artificial hills of the NorthEastern Frontier

Long before the Chinese started constructing artificial islands, they built 7 artificial hills/fortresses in NE China, hoping to slow down an impending Soviet armor thrust into Beijing. The Soviet cold war goal was to capture Beijing, install a puppet government and divide China into half; knowing full well the Soviet Far East did not have the manpower to conquer entire China while facing a much more powerful NATO in due course.
From 1969 to 1978, the buildup of Soviet troops along the Chinese-Soviet boarder accounted for 80 percent of the total increase in Soviet military manpower. In 1973, Soviet ground troops long the Soviet-Chinese frontier were increased from 23 divisions in 1968 to 45 divisions -- including 8 tank divisions. (Page 34, from Adversaries to Partners?: Chinese and Russian Military Cooperation after the Cold War, By Ming-Yen Tsai)

Here are pictures of fortresses number 4 located in Ejin Banner of Innter Mongolia: Totaling 80 acres in size, 340 meters in diameter and a radius of 160 meters. Elevation of 51 meters and the fortification is surrounded by a gully of six meters deep. Construction started in March 6, 1963 and completed by the end of 1969. Total garrison was 4748 troops. The purpose of those artificial artificial hills/fortresses was to slow down the Soviet blitzkrieg as they were not expected more against such a mighty foe. 

Another one from Zhengding County, Hebei Province.