Mohs Hardness Scale helpful chart
This shows a lot of helpful data in one simple-to-read chart. I also love how it relates hardness to everyday things we can understand like “fingernail” or “copper coin.”
17 equations that changed the world
If you went back several hundred years with these equations, you’d be considered the smartest person on the planet.…
Fun visual of most visited countries
By “stacking bags” this chart makes a standard bar-chart into something more fun!…
1912 mail order house plans
This ad is a little confusing, it sort of “implies” you can build a 7 bedroom house for $759 to get your attention. This ad is actually for a “plan …
Call to action based pizza ad:
This 1979 ad for Jeno’s Pizza Rolls has a strong call to action to write in (a physical letter) to Jeno, and he’ll send you back a recipe booklet. What’s …
