У вашего броузера проблема в совместимости с HTML5
I sat down to sort out the assortment of zener diodes from a mailbag a while back, and this is the result.
Sadly, the result is a bit disjointed and consists mostly of whatever popped into my head.
I guess that's what I get for insisting on not scripting anything.
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As with all of my videos, this isn't the only way to do it.
It's probably not the best way to do it.
But it's how I do it.
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https://www.patreon.com/pileofstuff