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nonethewiser 2 days ago

It makes perfect sense. It takes about 20 seconds to wash 1 dish.

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tombert 2 days ago | parent | next [-]

If you're only using one dish, then sure it's probably better to wash by hand. No one I know has ever suggested running a dishwasher for one dish.

Dishwashers can handle a lot of dishes and loading them takes like five minutes. Yes, it might take between 2 and 3 hours to finish washing, but it's asynchronous, you're not involved with the process. I usually load and start the dishwasher right before I go to bed.

This is not even to mention the fact that many dishwashers can sanitize dishes better than you can by hand since they can get very hot and maintain that heat, and the fact that they use considerably less water.

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ac29 2 days ago | parent | prev [-]

I'm usually getting ~40 dishes and ~40 utensils into the dishwasher per load, which at 20 seconds each is like half an hour. I can load the dishwasher a lot quicker than that.

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nonethewiser 2 days ago | parent [-]

You also need to count the time for it to wash them and unload them. Washing is async which means its less active work, but it’s definitely includes in how long it takes.

The more dirty dishes you have the better the dishwasher becomes in terms of active work but in no scenario is it actually faster.

	▲	onli 2 days ago \| parent \| next [-]
		You do not need to count that time. There are very few situations where the time which is not active work time matters. Dishwasher uses up less of your time (and saves money, energy, water). Note the origin statement: It's just so much faster to do the washing by hand. It's completely wrong, but makes clear what kind of time is to be measured here.
	▲	albedoa 2 days ago \| parent \| prev [-]
		> You also need to count the time for it to wash them You do not. We are comparing the time it takes for a man to wash a dish versus the time it takes for that man to put that dish in the dishwasher, not versus the time it takes for a machine to wash that dish.