Engineering

Researchers create flexible monocrystalline silicon solar cells

A large team of technologists affiliated with multiple institutions in China, working with two colleagues from Germany and another two from Saudi Arabia, has found a way to create flexible monocrystalline silicon solar cells. ...

Business

New reversal by Twitter after move sparked MTA withdrawal

In an about-face, Twitter says it has restored free access to a key tool for verified government and "publicly owned" services so they can tweet weather, transit and other alerts after New York City's transit agency said ...

Electronics & Semiconductors

Why are the US and China fighting over chips?

The United States has moved to block China's access to the most advanced semiconductors and the equipment and talent needed to make them in recent months, citing national security.

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