This episode is all about issues at Amazon and Facebook as the two companies try to fend off allegations that the companies engage in anti competitive practices. Plus we learn a bit about how Facebook is pursuing AI research.

In this classic episode, Jonathan and Chris Pollette talk about the realities of cyber warfare.

Last week, Facebook was dealing with a whistleblower. This week, the company might have another one. Plus stories about Amazon corporate employees working from home indefinitely, Microsoft blocking a massive DDoS attack and Magic Leap trying to bounce back.

In the world of cryptocurrency, there's a need for algorithms to create a consensus for validating transactions. Bitcoin uses Proof of Work. Ethereum 2.0 will use Proof of Stake. What the heck is the difference?

Holly Frey from Stuff You Missed in History Class joins the show to talk about the sewing machine and how it shaped patent law.

A hacker steals pretty much everything Twitch has. Facebook tries to downplay a whistleblower's allegations. And someone has taken over a US Navy Facebook page.

Listener Terje wants to know about space navigation. We look at how orbital velocities, special and general relativity and even stuff like solar radiation can make navigating from point A to point B a big head scratcher once you go into space.

Facebook and all its services disappeared on Monday, October 4th. What caused the outage? Also, the US Senate interviews a Facebook whistleblower, a former Tesla employee wins a lawsuit against the company and Amazon pushes out a very expensive robot.

It was an engineering feat to link England to France via subsea cables. Connecting Europe to America would require even greater innovation. From failed installations to engineering mistakes, we look at what it took to connect two continents separated by the Atlantic ocean.

Listener Antriksh asked that I look into subsea cables, the physical connections that link distant lands together for communication and power transmission. We learn about how physics creates unique challenges for subsea transmission and how 19th century engineers and scientists tried to overcome them.

Area 51 factors into stories about everything from weather-control devices to aliens. Ben Bowlin joins the show to look at the mythology of Area 51.

Instagram and Facebook argue that the Wall Street Journal inaccurately interpreted data about Instagram's effects on mental health. A California law aims to make companies like Amazon more accountable for worker health and safety. And TikTok hits one billion monthly users. Plus more!

A listener asked that I talk about ADCs and DACs, but to do that we have to understand how sound works, how analog works and how digital works. And then we explore whether one format is superior to the other.

What's been going on at the Area 51 site since the days of the U-2 and A-12 spy plane tests? We look at stealth technology, drones and more.

We learn more awful stuff about Facebook. Texas's law against social media companies is challenged in court. And the White House is meeting with companies about the semiconductor shortage. Plus more!

We finish up our series about space stations and talk about the most recent modules to join the ISS, the private citizens who visited the ISS as tourists, what life is like aboard the space station and what the future holds.

A series of articles in The Wall Street Journal has Facebook on the defensive. Tech companies struggle to achieve carbon neutrality by 2030. And some non-astronauts learn that pooping in space is tricky.

After several false starts, NASA's plans for a space station got a leg up when the US invited Russia to become a part of a new, cooperative enterprise. The US, Russia, Canada, the European Space Agency and Japan would come together to create a phenomenal piece of technology: the International Space Station.