when i realise that you can save one keypress on a microwave by typing in 90 instead of 130 for one and a half minutes

when i remember that my microwave is one of the ones with a knob instead of a keypad so this cool trick doesn't work for me

in unrelated news i just found out that ffmpeg lets you reverse videos by just applying a video filter called "reverse" so that's cool

people seem to have trouble believing that microwaves with keypads exist so here's an example of one

and here's an explanation of how it works:

digits fill from the right to the left, so typing in "5" always means five seconds and never five minutes. five minutes is "500".

one minute and thirty seconds is "130", which is interpreted as "1:30". however, typing "60" does not autocorrect to "1:00", it stays as sixty seconds. you can go as high as ninety-nine seconds. thus, you can type in "90" and it'll run for one minute thirty seconds