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Listed under:  Technologies  >  Manufacturing processes  >  Fastening  >  Locks

MathXplosion, Ep 20: Crack an ancient Roman code

Decrypt the ancient cipher box used by Julius Caesar over 2,000 years ago! By shifting the alphabet or replacing one letter for another further down the alphabetical sequence, you can crack a coded message. The secret to a cipher is one special piece of shared information, known as a key. This shared key is required for ...


What is Music?: What makes the music of Star Wars so iconic?

Star Wars begins with the biggest B-flat chord you’ve ever heard! John Williams’s fanfare is so iconic that people usually recognise what they’re watching without even looking at the screen. So, what informs the music and makes it so powerful? What techniques can you apply in your own compositions?