1 The hidden background noise that can catch criminals
Tom Scott's explainer on how small drifts in grid frequency leave a hum in recordings that can date footage, shared as a fascinating aside.
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2 recommended videos. Channel on YouTube
Tom Scott's explainer on how small drifts in grid frequency leave a hum in recordings that can date footage, shared as a fascinating aside.
Tom Scott's emoji keyboard, made by wiring many keyboards to one computer; linked as a fun example when people ask about custom input devices.