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Published value of the Hubble constant plotted over time Jul 9, 2019 physics #www. Jul 3, 2019 ophysics.com #www. Jul 3, 2019 geogebra.org Published value of the charge on the electron plotted over time Jul 1, 2019 physics Devon lanes, a series 5 Jun 30, 2019 pics Mystery Boxes Jun 28, 2019 In a commencement address given at the California Institute of Technology (Caltech) in 1974 (and reprinted in Surely You’re Joking, Mr. Feynman! in I’ve always believed in the lab book Jun 13, 2019 physics & education as a means to record practical information - The combination of precision detail and warts-and-all “I’ve messed it up here and started again” Desiderata Jun 13, 2019 typography & literature True. Jun 13, 2019 education Devon lanes, a series 4 May 28, 2019 pics Devon lanes, a series 3 May 26, 2019 pics Devon lanes, a series 2 May 25, 2019 pics Devon lanes, a series 1 May 25, 2019 pics A new blog. Again May 25, 2019 musings Every few months/years it comes round again - the desire to write and share my thoughts with the world. In a long distant past greymatter was my Arduino light-gates May 24, 2019 cpd & arduino https://www.arduino.cc/en/Main/Software Open-source electronics platform Arduino boards are able to read inputs - light on a sensor, a finger on a Evening Walk May 24, 2019 pics Radioactive Decay Modelling May 24, 2019 physics & radioactivity & modelling Modeling Halflife by Joe Rowing last updated The Drake Equation Jun 15, 2017 maths was developed by Frank Drake in 1961 as a way to focus on the factors which determine how many intelligent, communicating