Practical Engineering

How to Super-Size the Eclipse - Sun Funnel (2017x7)

Yayınlanma tarihi: Ağu 17, 2017

If you've got a telescope, give the crowd a show next week. Make the eclipse bigger! Eclipse glasses are okay, but the sun is only as big as your thumbnail at arms length. That's not very big. I need something to impress some kindergartners! Hopefully the sun funnel can do it.