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China has imposed export curbs on two metals used in computer chips and solar cells, expanding a squabble with Washington over high-tech trade ahead of Treasury Secretary Janet Yellen’s visit to Beijing this week BEIJING -- China has imposed export curbs on two metals used in computer chips and solar cells, expanding a squabble with Washington over high-tech trade ahead of Treasury Secretary Janet Yellen's visit to Beijing this week. The controls on gallium and germanium are intended to “safeguard national security,” the Commerce Ministry said late Monday. It said exports will require official permission once the rules take effect Aug. 1 but did not say what restrictions might be applied. Chinese leader Xi Jinping’s government is frustrated by U.S. curbs on access to advanced processor chips and other Technology on security grounds. But Beijing has been slow to retaliate, possibly to avoid disrupting China’s fledgling developers of chips, artificial intelligence and other Tec...

According to documents released by the Pentagon, time Travel and anti-gravity technologies may be available to humans and could help us visit other worlds . 1,500 files shed light on the Advanced Aviation Threat Identification Program (AATIP), which was a secret Pentagon UFO program. Their publication was made possible after a four-year legal battle following a freedom of information request from The Sun Online. One of the papers looks at how anti-gravity technology can be used to create aircraft and spacecraft, and states that “the effects can be realized by manipulating space-time.” There is also a look at how to “manipulate gravity” and the report says, “It may be possible to create exotic phenomena such as faster-than-light travel… and time machines.” It is also added that “wormholes” in space-time can be used for interstellar travel. The documents, which The Sun called “the bombshell,” were released by the US Department of Defense Intelligence Ag...