The not obvious difference between digital and physical product development?1 points·by ovicorps·5 yıl önce·0 comments
ovicorps·5 yıl önce·discussClassical physics books are LESS expensive. I recommend the book: On The Shoulders Of Giants.
ovicorps·5 yıl önce·discussI pay $40 or less for a quantum mechanic book. Knowledge is not expensive.