Radio

Inquiry Unit

Radio

The invention of wireless telegraphy-radio-at the end of the 19th century by Marconi and others made it possible to communicate with anyone, anywhere, around the globe. It soon became apparent, howeve…

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Triremes

Inquiry Unit

Triremes

In the fall of 480 BCE, Xerxes, the King of Persia, attacked Greece on land and at sea. While the land battle that ended with a Spartan stand to the last man at Thermopylae, has been burned into the c…

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Early Maritime Navigation

Inquiry Unit

Early Maritime Navigation

The open sea is a never-ending desert of water – the same in all directions. How did ancient mariners cross the ocean without GPS? The principles behind “modern” innovations used by our GPS-enab…

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The Printing Press

Inquiry Unit

The Printing Press

The Arab Spring, Black Lives Matter, the 2016 Presidential Campaign, are all recent events, which were driven by social media. Though Twitter was only recently invented, the movement of technology-dri…

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