Academic Video Lectures. Steven Johnson: Where good ideas come from. M.guardian.co.uk. Let's start with the invention of air conditioning.
This is only one of approximately a zillion topics addressed by the science writer Steven Johnson during the course of lunch at an Italian restaurant in downtown Manhattan; some of the others include Darwinian evolution, the creation of YouTube, the curiously perfect population density of the Park Slope neighbourhood of Brooklyn, the French Revolution, the London cholera epidemic of 1854, the first computer, The Wire, and why 9/11 wasn't prevented. But air conditioning provides a useful way to introduce Johnson's current overarching obsession – the mysterious question of where good ideas come from – because it encapsulates how we generally like to think about inventors and inventions. One night in 1902, an ambitious young American engineer named Willis Carrier was waiting for a train, watching fog roll in across the platform, when he had a sudden flash of insight: he could exploit the principle of fog to cool buildings. More learning.
12 Education Tech Trends to Watch in 2012. How crowdsourcing is changing science - The Boston Globe.