The Celestron ORIGIN: An In Depth Review - Is it Worth your $4000??
40:07
A $5000 Smart Telescope?! - Testing the Celestron Origin against Seestar and Vespera
22:24
The 10 Amateur Telescopes That Changed Astronomy FOREVER
21:38
Why the Summit of the Great Pyramid is Missing
34:54
I Saved an Electron Microscope from the Trash
11:57
Understanding astrophotography filters
21:35
Journey to the Edge of the Universe in Real Time!
13:06
HUGE Magnet VS Copper Sphere - Defying Gravity- Will a Neodymium Magnet Float Inside?
15:11