Featured Katherine Johnson In the early 1960s, Katherine Jonhson, an African American woman, was working as a ‘human computer’ for NASA. She was based in their Langley Research Centre. May 7, 2024 1 Comment
Featured Reducing Fractions If you can reduce 6 fractions to lowest terms in 4 minutes, I will credit 1000 gems to your account May 7, 2024 3 Comments