I’ve just listened to a podcast about time. The speaker said that the flow of the sand doesn’t change but if it was liquid things would be different because of its changing pressure.
Sorry if I phrased it weirdly, English isn’t my first language. Feel free to correct me.
In: Physics
Hourglasses definitely slow as they empty. You can simply visibly notice it. Not sure why you or the podcast host think they don’t.
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