Here's how a high school teacher's "Mystery Box" works


#1

Originally published at: https://boingboing.net/2018/03/06/heres-how-a-high-school-teac.html


#2

I had it figured as connected pulleys spools before it got to the reveal.


#3

I assumed a set of pulleys or spools as guides for the string.

I…uh…What is the mystery here?!


#4

A mistery for kids and dumbs just like me…


#5

Four engineering solutions to the same problem. Neat!


#6

I am reminded of seeing a teacher demonstrating Heron’s fountain with non-seethrough containers, and then asking us what was going on. https://en.wikipedia.org/wiki/Heron’s_fountain


#7

Just like my favorite He-Man toy did…


#8

@quori - if you assumed that it was a set of pulleys or spools, that means you already knew about pulleys and spools. If you hadn’t, this would be instructive. It was not made for people like you.


#9

This topic was automatically closed after 5 days. New replies are no longer allowed.