Activity for Carl Witthoft‭

Type	On...	Excerpt	Status	Date
Answer	—	A: Are there any natural materials that can be used as a magnifying lens (or to craft one)? Similar to demigod's answer: grab a chunk of cardboard, or a sheet of bark, and punch two small holes spaced at the separation between your pupils. Wear this as though they were goggles. Due to the magic of optics :-) , you won't have a great field of view but what you can see will be in near-per... (more)	—	about 6 years ago