3 ms·
I also once heard a vacuum cleaner salesman say (and yes, that used to be a thing) -- we know we can make vacuum cleaners less noisy (drop the universal motor I
by a9h74j 4y ago
I also once heard a vacuum cleaner salesman say (and yes, that used to be a thing) -- we know we can make vacuum cleaners less noisy (drop the universal motor IIRC), but people buy vacuum cleaners assuming the noise == power.