The winter solstice is the shortest day of the year, the summer solstice is the longest. Depending on whether you live north or south of the tropics, these happen around June 20th and December 20th each year – or the other way round.
Continue reading Why Isn’t The Solstice The Warmest/Coldest Day?
Math is a very visual subject.
I made this ‘meme‘ on a calculus topic, but it applies equally well to a whole bunch of other areas.
When we learn that, say, 2+2=4, is that something really true about the universe, or is it something some caveman made up? Does a cube exist as something more than just a figment of our imagination?
I just saw this excellent online presentation about creative ways to teach math – it explains (briefly) what’s wrong with the current “linear” method of teaching math, and gives some tips on how to improve matters – even within the current system.
Check it out below :
