You probably know that sound works by vibrating the air around you, which our ears turn into sounds, and speakers are specialized devices for creating sounds. But if you watch closely enough, everything is a speaker.

Ever pushed back on a decision because you thought you might regret it? The good news about regrets: You’ll regret it anyway, and that’s a good thing.

Advertising is how a lot of the media you consume is paid for. Facebook, YouTube, and probably your favorite newspaper website is free, because someone else is footing the bill. And it’s also why a lot of media companies are struggling, because they are being killed by what’s keeping them alive: Ad agencies. And only because they chose to go down the easy path instead of doing the harder, better thing: How Advertising Blew Its Biggest Chance Since the Mad Men

Why Americans will never understand their own country if they never, ever leave it: Unlearning the myth of American innocence.

It’s not like Quantum Theory is easy to understand, but even our modern understanding of it underwent a significant evolution: A brief history of quantum alternatives

In case you missed it… 📺

John Oliver explains Cryptocurrencies on his show “Last Week Tonight”

• The Logistics of Living in Antarctica (YouTube)

• Meet ‘Steve,’ the Aurora-Like Mystery Scientists Are Beginning to Unravel — Yes, there’s a new phenomenon officially called Steve.

• My Hero, Luke Skywalker

Four writers for The Guardian try and eliminate plastic from their daily lives. Which turns out even harder that you might have suspected: Nappies, takeaways and bubble wrap: could I remove plastic from my life?

“Oh my god!” People’s reactions to looking at the Moon through a telescope.