Whirling_Cloudburst@lemmy.world to Technology@lemmy.worldEnglish · 8 months agoWhy It Was Almost Impossible to Make the Blue LEDyoutu.beexternal-linkmessage-square197fedilinkarrow-up1778arrow-down127file-text
arrow-up1751arrow-down1external-linkWhy It Was Almost Impossible to Make the Blue LEDyoutu.beWhirling_Cloudburst@lemmy.world to Technology@lemmy.worldEnglish · 8 months agomessage-square197fedilinkfile-text
minus-squareheckypecky@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up8·8 months agoHandheld battery powered X-ray devices exist and are widely available. I used to work with those. In Germany you need a permit to operate them. https://www.thermofisher.com/order/catalog/product/de/en/XL2
Handheld battery powered X-ray devices exist and are widely available. I used to work with those. In Germany you need a permit to operate them. https://www.thermofisher.com/order/catalog/product/de/en/XL2