Uploaded April 2021 | Updated September 2026, 2 weeks ago

---

Get the engineering clock/watch here: stemerch.com/collections/clocks-watches-1
Engineering Shirt: stemerch.com/collections/fundamental-theorem-of-engineering
STEMerch Store (everything else): stemerch.com

Clock explanation (flammable maths video): youtu.be/FePTs8mwpsM?t=174

Support the Channel: patreon.com/zachstar
PayPal(one time donation): paypal.me/ZachStarYT

Join this channel to get access to perks:
youtube.com/channel/UCpCSAcbqs-sjEVfk_hMfY9w/join

►Follow me
Instagram: instagram.com/zachstar
Twitter: twitter.com/ImZachStar

2D Graphing Software: desmos.com/calculator

Thumbnail Design done by @EpicMathTime

Animations: Brainup Studios ( brainup.in )

Check out my Spanish channel here: youtube.com/channel/UCnkNu2xQBLASpj6cKC8vtpA

►My Setup:
Space Pictures: amzn.to/2CC4Kqj
Magnetic Floating Globe: amzn.to/2VgPdn0
Camera: amzn.to/2RivYu5
Mic: amzn.to/35bKiri
Tripod: amzn.to/2RgMTNL
Equilibrium Tube: amzn.to/2SowDrh

►Check out my Amazon Store: amazon.com/shop/zachstar