We don't have a science forum. Humph! So I'll post this here. It is very interesting and I noted that the human-made models were quite good but now the scientists have some more real observational data (actual measurements) they can improve the models and get a better overall picture of what happens.
www.nasa.gov/mission_pages/sunearth/news/lightning-waves.html
UK State Pension - Is it really enough?
Royal Dress Code in Hot Weather
What words annoy you when used wrong or people don't know the meaning of?


Thanks for the tip! I finished my second hito hude gake last night and am pleased with it and with myself for working out how to do it. Hoping for some decent daylight today so I can photograph it with its orange pal and will post on my profile if I manage.
..... and there I was thinking I didn't have a mathematical brain in the slightest! So it's nice to have a bit of hope...... 
. Apologies for the rubbish.