Fire at the Triangle Shirtwaist Factory
In the early 1900s, New York City’s Triangle Shirtwaist factory was one of the largest blouse factories in the city. It was also incredibly unsafe. [Read more]
Podcast
What are QR codes?
How do QR codes store information? What’s the difference between a QR code and a barcode? Why did it take so long for QR codes [Read more]
Sink the Bismarck!
The German battleship Bismarck was the most feared warship in the world – a powerful complement to U-boats. But when she sank the pride of [Read more]
What is the Deep Flight Challenger?
What is the Deep Flight Challenger? What sort of technology do scientists use to explore these environments? What are the challenges of exploring the deep [Read more]
Death 05 How We Die
Our use of mind, heart, and body sets energy in motion, and when death arrives, a great transformation occurs whose outcome is determined not only by the sum total of all of our previous acts, but by our final state of mind.
A Pure Food Father and His Poison Squad
In the late 1800s, no one really monitored food additives. After Congress refused to regulate food safety, Harvey Wiley had groups of healthy men ingest [Read more]
TechStuff Episode 300
Why do we use programming languages? How many programming languages are there? Why do we need more than one programming language? Tune in for the [Read more]
The 300th Episode: The Real
It’s the three-hundredth episode of your favorite history podcast, and what better way to celebrate than to take a closer look at real story behind [Read more]
How the Nintendo 3DS Works
Like Nintendo’s DS and DS Lite, the 3DS is a hand-held gaming device — with a big twist: This device features 3D technology. Tune in [Read more]
Christ 02 Christ the Source of Life
This document accompanies the audio lecture.