It actually started with the idea of an incandescent light bulb. Max Planck early in the 20th century who managed to solve that problem and get the sort of mathematical curve to come out correctly. And then a few years later Albert Einstein takes that one step further and he uses this idea of light quanta to describe an experiment called the photo electric effect which is where you shine light on to a metal surface, electrons jump out so the energy is transferred from the light.

Get the Snipd
podcast app

Unlock the knowledge in podcasts with the podcast player of the future.
App store bannerPlay store banner

AI-powered
podcast player

Listen to all your favourite podcasts with AI-powered features

Discover
highlights

Listen to the best highlights from the podcasts you love and dive into the full episode

Save any
moment

Hear something you like? Tap your headphones to save it with AI-generated key takeaways

Share
& Export

Send highlights to Twitter, WhatsApp or export them to Notion, Readwise & more

AI-powered
podcast player

Listen to all your favourite podcasts with AI-powered features

Discover
highlights

Listen to the best highlights from the podcasts you love and dive into the full episode