General > General Technical Chat
You know you're old when.....
TimFox:
My entry to the Signetics 25120 WOM contest (mid-1970s) drove the logic inputs through a grounded-grid 12AT7/ECC81, with TTL drive to the triode's cathode, to make sure the WOM did not ignore the signal. By the nature of the device, I could not verify the result (but they did send me one).
SeanB:
Chemistry kits were available at many shops, and contained things that could, and would, make explosive results.
Those stains never could be removed from the wall, even after sanding down and repainting, they were visible again after the first humid day.
Shops sold fireworks to children under 10, no questions asked, and the fireworks included the larger types that would go bang, and also rockets that did a similar thing.
TimFox:
You know you're old when you debate vaccine hesitancy, and the others in the debate did not know any polio victims.
ozcar:
--- Quote from: Cerebus on July 12, 2021, 01:55:41 pm ---
--- Quote from: Wolfgang on July 11, 2021, 11:13:47 pm ---... when the first computer you used expected input in the form of punched cards. 8)
--- End quote ---
And you used to write your shopping lists and "back of fag packet" designs on the back of used/spare one. Also, made great bookmarks.
--- End quote ---
glentek:
You know you are old when, as a young teenager you made a rifle powered by a thruppenny bunger. It was only ever fired once, my right ear was ringing for hours afterwards.
And not to mention the petrol powered flame thrower...
And the home made very unstable explosive that badly burnt my brother's hand...
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