# otd leighlinbridge carlow

1893: Death John Tyndall. Proved CO2/Greenhouse Effect link. Explained why the sky is blue in the day & red at sunset; "Tyndall Effect"! >12 science books; physics to wide audience. Prof Physics . Keen climber Alps https://t.co/SuINhshoA9

2 7
2021-12-04

1893: Death John Tyndall. Proved CO2/Greenhouse Effect link. Explained why the sky is blue in the day & red at sunset; "Tyndall Effect"! >12 science books; physics to wide audience. Prof Physics . Keen climber Alps https://t.co/I5zSUKZWNM

4 11
2020-12-04