Galaxy Types:

The Voyage spacecraft are the first human made objects to head out of our solar system, into interstellar space, across our galaxy (Fun Fact: Did you know that voyager 1 launched AFTER voyager 2? voyager 2 was supposed to see all the planets first, before travelling...

Cyphers, part 1

so, the first well known cypher, a substitution cypher, was called the “caesar cypher,” because, apparently, Julius caesar used it in 58 bc. he shifted each letter in his military commands to encrypt his messages, so if the enemy intercepted it, they would...