Aluminum-gallium powder bubbles hydrogen out of dirty water

“We don’t need any energy input, and it bubbles hydrogen like crazy. I’ve never seen anything like it,” said UCSC Professor Scott Oliver, describing a new aluminum-gallium nanoparticle powder that generates H2 when placed in water – even seawater.

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Hire people with ‘unconventional backgrounds’ to fill the tech skills gap

Image: Dmitry Kovalchuk/ Getty Images Much has been made about the dearth of tech professionals and the stress organizations are feeling trying to find them. A new McKinsey article makes…

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How to return the first and last times from timestamps in a Microsoft Excel PivotTable

When analyzing grouped data, bypass complex functions and use a Microsoft Excel PivotTable. Image: Diego/Adobe Stock The article How to return first and last times from timestamps in Microsoft Excel…

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