u/Delicious_Maize9656

Many STEM classes allow students to bring scientific calculators but many students forget to bring them and are forced to do calculations mentally. Some problems are very complex and difficult to solve without a calculator.

You can use a microwave as a Faraday cage. The metal walls help block electromagnetic waves from getting in or out. And do not turn on the Microwave!

The meme jokes about the idea that speed itself doesn’t cause injury but suddenly stopping at high speed can be deadly because of inertia and the forces involved. The friend then takes this physics idea way too literally.