HackerTube 中文?

A simple water heater is more clever than it seems

Technology ConnectionsYouTube ↗

Further reading 1

How do you update on evidence—and choose what to ask next? →A test result and a Wordle clue both rule out possibilities. The crucial difference is whether you already know the result or still have to choose the question.This video helps answer · Does a 4,500-watt rating predict the bill?

Caption notes

Upper and lower thermostats in this water heater allocate the available power between regions of the tank. Prioritizing the upper element changes when usable hot water is available without doubling the instantaneous power.

Archived captions (transcription method unspecified) ↗
Original passages · 2
two heating elements sticking into the tank at two different heights.
A simple water heater is more clever than it seems · ▶ 6:18–6:24
We have the same 4500 watts that we did before, but now it’s up here
A simple water heater is more clever than it seems · ▶ 9:12–9:17

Hacker News comments

View original on HN ↗