Why did my Dishcloth Detonate?

Why does sunlight make me sneeze? What causes air turbulence? Why do energy-saving lights take time to warm up? In this week's question and answer show we also investigate why microwaving a dishcloth causes it catch fire, whether mining could change the Earth's orbit and why streetlights shine with an orange glow. In the news, meanwhile, how electrical brain stimulation can make impossible problems tractible, a pint-sized rocket to take spacecraft to the moon and a tornado spotted on the surface of the Sun... Like this podcast? Please help us by supporting the Naked Scientists