科技与人工智能

Oura pulls $15bn stock market listing days after announcement

来源: feeds.bbci.co.uk · 发布于

Oura pulls $15bn stock market listing days after announcement
来源: feeds.bbci.co.uk

The wearable technology company had been expected to list its shares in the US.

The wearable technology company had been expected to list its shares in the US.

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科学与环境

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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