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Energy conservation

A USB power supply with a real on-off switch (Jan 2025)

Why can't we switch things off any more? (Dec 2024)

Why the energy cost or benefit of switching to DAB digital radio is hard to assess (Apr 2022)

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Converted from my Gemini capsule.

Please note: This content is moving to a new Gemini capsule, and there's a new HTML mirror here. I won't be updating these pages in future.