How safe are your solar eclipse glasses?
npub1cy06su88dl9crjvthx56mdpgd0m9dauplnjf58rvcqynj6p8uygq9uggw4 (npub1cy0…ggw4) warns: "Cheap fakes from online marketplaces pose a threat, supply-chain experts say."
https://flip.it/62ADga
#Eclipse #SolarEclipse #Astronomy #Science