Copper-oxide (CuO2) superconductors, such as Bi2Sr2CaCu2O8+ (Bi2212), have unusually high critical temperatures. Optical reflectivity measurements of Bi2212 have shown that it exhibits strong optical ...
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Chinese researchers have designed a solution to maintain stable communication signals aboard future ultra-high-speed trains If a high-speed train wer ...
The roughly $35 billion project began construction in 2019. Now, just four years later, the new line is fully operational. To compare that to U.S. train infrastructure, four years is around how long ...