Energy & Green Tech

Seeing both sides of light collection

Two types of materials are better than one when it comes to solar cells, as revealed by an international team that has tested a new combination of materials and architecture to improve solar-cell efficiency.

Energy & Green Tech

Why polymer solar cells deserve their place in the sun

Unlike traditional silicon solar cells, organic polymer solar cells (PSCs) may never cover the hillsides of a megawatt solar farm. But, these lightweight, flexible cells show potential to provide solar power to remote microwatt ...

Hi Tech & Innovation

Time to worry: Silicon Valley wants to read your mind

Not content with monitoring almost everything you do online, Facebook now wants to read your mind as well. The social media giant recently announced a breakthrough in its plan to create a device that reads people's brainwaves ...

Business

Apple bends, aiming to avoid Big Tech regulation

Apple has unveiled major changes to its app store after years of criticism, as the Silicon Valley colossus tries to stave off a deeper, swelling effort to regulate Big Tech, experts said Thursday.

Energy & Green Tech

A blast of gas for better solar cells

Treating silicon with carbon dioxide gas in plasma processing brings simplicity and control to a key step for making solar cells.

Business

Elon Musk says he's terminating Twitter deal, board to fight

Elon Musk announced he will walk away from his tumultuous $44 billion offer to buy Twitter, leaving the deal on the verge of collapse. The Tesla CEO sent a letter to Twitter's board Friday saying he is terminating the acquisition.

Energy & Green Tech

How do solar panels work?

How do solar panels work? – Nathan, age 5, Melbourne, Australia.

Engineering

Protons fix a long-standing issue in silicon carbide electronics

Silicon carbide (SiC) is a semiconductor material that outperforms pure silicon-based semiconductors in several applications. Used mostly in power inverters, motor drives, and battery chargers, SiC devices offer benefits ...

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