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Espionage boosted East Germany's economic output by 7.4%
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Espionage boosted East Germany's economic output by 7.4%

East Germany's espionage activities in the West boosted the country's economic output by 7.4%. Value added in manufacturing alone increased by 22.3% through industrial espionage, equivalent to 20.2 billion East German marks or approximately 4.1 billion euros at 2020 prices.

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This new concrete is stronger and pulls CO2 from the air

Researchers have created a concrete mixture that is both stronger and capable of absorbing carbon dioxide. The best formula, combining zeolite with bamboo biochar, boosted compressive strength by 7.48% and tensile strength by 15% compared with conventional concrete. It also captu

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