"Christian Doppler was an Austrian mathematician who is best known for the Doppler effect in wave theory." https://mathshistory.st-andrews.ac.uk/Biographies/Doppler/ #BOTD #OTD #History #Maths #Math #Mathematics #Physics #Science #STEM @science
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.
