My blog is Travels in a Mathematical World.
Math/Maths Podcast: Peter Rowlett in the UK calls Samuel Hansen in the US and the pair discuss topical mathematics. A podcast from Pulse-Project.org.
Get latest episode (9 Jan 2013).
Travels in a Mathematical World Podcast is a set of 64 episodes of mathematicians speaking in their own words about their work, maths history and maths news.
Get all 64 episodes.
Visit my YouTube channel for videos on puzzles and maths history, as well as higher education maths curriculum talks.
Thinking outside of the box
Maths Jam Conference 2010 (13/11/2010)
I propose to show an old puzzle - that of drawing a limited number of straight lines to form a continuous path through every dot in a grid - and discuss students' attempts to solve it. In my experience, students typically approach this problem with so many preconceptions that they define a new problem which cannot be solved.