engineers on Nostr: On Feb 5, 1957, D.M. Chapin receives patent for Solar cells. https://t.co/RuhJrjjRyh
On Feb 5, 1957, D.M. Chapin receives patent for Solar cells. https://t.co/RuhJrjjRyh
engineers /
npub1ku5…2u7l
2023-02-06 00:21:00
Author Public Key
npub1ku5np873374lejgm5jdg8c6asal4wxs0x70hydkg3fefd44atf8syc2u7lSeen on
wss://relay.nostr.band