How did the Enigma Machine work? #engineering #howitworks #history #enigmamachine

How to break a WWII code... #wwiifoundation #history #ww2

The Surprising Genius Of Sewing Machines

Repair Old Machines And Make Them Even More Powerful After Repair!#diy #repair

In this lesson, we’re talking all about GPA, Grade Point Average, and why the “highest GPA” can look different from school to school. Some schools use a traditional 4.0 scale, while others use weighted GPAs for honors, AP, IB, or advanced classes that can push students above a 4.0… sometimes even to a 5.0 or higher. Some students online are even claiming GPAs as high as 7.0. We also discuss academic honors like valedictorian and salutatorian, what those titles mean, and how schools rank students