School - Talk 27th March 2018 What do scientists do all day? ~50 % - reading / writing / computing The actual 'work'. (+ lab work) ~20 % - talking / whiteboarding / meeting, immediate research group ~20 % - written communication - emails / Slack / forum posts ~10 % - travelling to conferences, giving talks, watching talks, chatting over coffee
School - Talk 27th March 2018 → Not a CO2 Crisis - we have an Energy Crisis Each person in Britain (for all energy):- 10'000 kg CO2 → ~10 MWh/year 10 MWh → 36 GJ / year 1142W → ~10 Cyclists The world (2008):- = 18 TW = 18'000'000'000'000 W Art Installation, V&A museum, Christmas 2009
School - Talk 27th March 2018 Vanguard 1 (1958 – NASA) [Still in orbit...] ~5cm square silicon cells [transmitted for 7 years] We have the technology! Cost and land-use are the problems • the solar resource is low density (1kW / m^2) • ~good solar panels are 22% efficient ⇒ Would need to put solar panels on ~10% of the UK
School - Talk 27th March 2018 Silicon grown by Czochralski process 1956 George E. Meyers, Raytheon Corp. semiconductor plant in Newton, Massachusetts, USA Credit: American Radio History ( The yellow-hot bits are 1500 degrees centigrade!
School - Talk 27th March 2018 2000; Smithsonian Single crystal - 'hanging by a thread'. These are the purest materials on Earth - far far more pure than any diamond or gemstone. (Nb: lab safety is massively improved!)
School - Talk 27th March 2018 Computers are: 3) All identical. (Turing complete.) If you can program one of them - you can program all of them! ~£100 million 120'000 CPU cores Hosted at Uni of Edinburgh
School - Talk 27th March 2018 University vs. school No teachers :) • No register; turn up when you want; learn in your own style. • Mainly peer-to-peer (teach your friends) No teachers :( • Up to you to self motivate! • "Lack of feedback" • Feel slightly lost / unstructured environment.
School - Talk 27th March 2018 Thinking of physics? https://www.youtube.com/user/tibees/videos - Recent Physics graduate, now PhD student; lots of short 5' videos about learning & doing physics. http://www.feynmanlectures.caltech.edu/I_toc.html - Feynman Lectures V 1, L1-13; essentially the A-level course, at a higher level. http://theoreticalminimum.com/ - Leonard Susskind. Lectures on YouTube of 'continuing studies' students revisiting Physics. Also 3 associated books. Very much proper physics, but with a minimum of assumed prior knowledge.