People weren't any smarter a long time ago. Scopes Trial,The Monkeys,Pet rocks, The Weather Underground,50's television, 70's fashion, Rob Liefeld.
If you want go back even further looks Aristotle's contributions to science. For hundreds of years people thought that a heavier thing fell quicker than a light thing. This could have been disproved with objects in a any household.
If you want go back even further looks Aristotle's contributions to science. For hundreds of years people thought that a heavier thing fell quicker than a light thing. This could have been disproved with objects in a any household.