Skip to main content

New best story on Hacker News: Ask HN: What are some good resources to learn how electricity works?

Ask HN: What are some good resources to learn how electricity works?
448 by farleykr | 173 comments on Hacker News.
I've tried several times to understand the vocabulary and concepts of electricity - basic things like volts, amps, resistance - but I'm not having much success with self-led study. Can anyone recommend any good videos, books, courses, etc.? Thank you.

Comments

Popular posts from this blog

New best story on Hacker News: Launch HN: Electric Air (YC W23) – Heat pump sold directly to homeowners

Launch HN: Electric Air (YC W23) – Heat pump sold directly to homeowners 571 by cmui | 527 comments on Hacker News. Hi HN! I’m Chris Mui, founder of Electric Air ( https://electricair.io ). We’re building a residential heat pump system. This will be an all-electric replacement for your home’s furnace and air conditioner that enables more centrally ducted installs, manages your indoor air quality, and saves you money on monthly energy bills. We also streamline purchase, finance and install by selling directly to homeowners. You can place a preorder today at https://electricair.io . Heat pumps work by using refrigerant and a compressor to move energy against a temperature gradient. If you put 1 kWh of energy into a heat pump, you get 3-5 kWh of heating in your home. But this isn’t breaking the laws of physics because heat pumps don’t make heat, they move it around. The extra 2-4kWh gets absorbed from the outdoors, even when it is cold outside. The low pressure refrigerant in the outdo...