The best option is to subscribe in iTunes for the free download of all of the podcasts (currently there 48). New episodes can be automatically downloaded to your computer. These can viewed on an iPad or similar device, or through iTunes on your computer.
Look, up in the sky, it’s a particle! It’s a wave! Actually it’s both. It’s light! How do we know about this stuff? Well, because of Einstein for one. He did more than E = mc^2, you know. But don’t stare at the sun to see for yourself, we’ve got science now.