Roger Johnson (@xplorestem) 's Twitter Profile
Roger Johnson

@xplorestem

Physics Teacher with a lifetime interest in #Physics, #Philosophy and #Teaching. Very keen to learn and share the less accessable ideas in these three subjects.

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linkhttp://bit.ly/XploreSTEM calendar_today07-09-2019 01:30:00

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Roger Johnson (@xplorestem) 's Twitter Profile Photo

#physics #science #teaching. Engaging adaptation of Young's double slit experiment. Produces jaw-droping classroom results. Easy-to-get bits for around twenty bucks.

Roger Johnson (@xplorestem) 's Twitter Profile Photo

#stem #physics #equivalence Is a sand timer lighter or heavier when it's turned over? You won't die wondering after you watch this! 🙂

Roger Johnson (@xplorestem) 's Twitter Profile Photo

OK. You can stop saving up for your Spectrum Analyser and Storage Oscilloscope combined. Here it is for free! #physics #stem

Roger Johnson (@xplorestem) 's Twitter Profile Photo

#einstein #equivalence #stem #physics Let your attention run to the nadir of your contact between you and your chair. If you can feel pressure there, this clip is for you!👩‍🦰

Roger Johnson (@xplorestem) 's Twitter Profile Photo

#physics #stem #science CLICKBAIT: Integral calculus for 5 year olds. REALITY: A menthod of analysis for difficult integrals. Involves cutting out and weighing paper. Good enabling schema for young learners. Adapted from Martin Gardener in Scientific American back in the day.

Roger Johnson (@xplorestem) 's Twitter Profile Photo

#Physics #Stem #Education Attacking the frontiers of science with a potato masher. SAFETY WARNING: if you're considering performing this experiment you will need a full motorcycle helmet and flak jacket (that's just for the iPhone). Measuring centripetal accelleration.

Roger Johnson (@xplorestem) 's Twitter Profile Photo

#mathematics #stem #education Logarithms: THE MOVIE Logarithms treated as a transform after the fashion of Laplace and Fourier. Middle years (MYP) leavel.

Roger Johnson (@xplorestem) 's Twitter Profile Photo

#physics #education #stem Wein's Law: A poker in a fire goes red hot, orange hot, yellow hot then it should go green hot. Short clip shows why using a tungsten globe. Senior physics.