Tag: <span>integers</span>

02.04 How is online data and credit card information kept safe?

(approximately 1 minute reading and a 20 minute activity) Photo by CardMapr.nl on Unsplash Cryptography uses factoring and polynomials to build and break systems. If you watched the movie The Imitation Game, it is all about cryptography and how they were trying to decode transmissions sent during the World Wars. …

01.03 How can I make sure I snorkel and dive safely?

(approximately 5 minutes reading and 2 minutes doing the exercise) Photo by Dan Gold on Unsplash Snorkelling is an activity that involves floating along the surface of the water and occasionally diving down to look at something. When diving, the snorkel tube fills with water so you need to hold …