@g4dbn Breaking out in a cold sweat just thinking about vector calculus - had enough at University. Don't we have computers to solve these things these days? CFD, FEA and electromagnetic simulations.
@g4dbn Chemical Engineer speaking - what could possibly go wrong with a threshold limit value of 25 PPM and a short term exposure limit of 35 PPM for Ammonia?
@g4dbn @ke9v @kb6nu The Radio Society of Great Britain don't want to engage with Nerds, instead concentrating on Geeks and collectors - people with money who are going to buy the latest £5000 rig from the dealers and not the people making radio telescopes from a dustbin lid and a £30 SDR.
@g4dbn @ke9v @kb6nu Amateur Radio has changed, there are plenty of youngsters in the Maker Movement playing with Arduinos, licence-free low power devices and SDR dongles doing things like tracking balloons, RFID etc - Look at Hackaday, Adafruit, Techminds.
Local nets are continuing to aid emotional support and wellbeing. To support walkers and those 'out and about' the local UHF Raynet channel of 433.700 MHz is monitored most afternoons. Stay safe!
I don’t suppose many of you have seen because we are all at home, but I have been sent a picture from @AdmediaLtd of a cartoon version of myself at motorway services. What do you think? #walkwithtom#TomorrowWillBeAGoodDay
Wash your hands like your life depends on it. Because it does. Contagion star Kate Winslet explains how something as simple as using soap and water for 20 seconds can help #ControlTheContagion. Head to https://t.co/sUXphCOoDY for more info. #publichealth#ColumbiaSPH