Old keys as battery electrodes @GrandadIsAnOldMan
Old keys as battery electrodes @GrandadIsAnOldMan
Updated September 2026, 1 week ago
Old keys as battery electrodesMidday snack at Costa Coffee in Nailsea 😋 #grandadisanoldman #coffee #middaysnackSpider Peg Bot - Bristle BotMidday snack at Costa Coffee in Portishead 😋Trying Aluminium strip for my galvanic cellsNight Worker 20260831CSGOG Auldey Wave RacerLooks like I forgot to upload this one yesterday - Midday snack at Costa Coffee in Emersons Green 😋Re edit of my 2013 Joule Thief Inspired by LidmotorConstruction vehicles - View from the coffee shop ☕️ #constructionGood morning, guys ⏰️🥱🌞😁 #grandadisanoldman #breakfast #goodmorningCharity Shop Gold or Garbage 20260821 Chipping Sodbury Spirit of Air Buzzer Bug
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Old keys as battery electrodes

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