21:58

Holographic Optics Break My Brain

23:57

We made a REAL HOLOGRAM Desk like Tony Stark's!

46:24

How are holograms possible?

20:08

DIY Laser Image Projector (100ft+ Range!)

8:54

Why Holograms Are Impossible (Mostly)

28:20

Building a TRUE 4k home cinema projector (it’s awesome)

26:16

Can you GROW an Opal?

27:55

I built an Omni-Directional Ball-Wheeled Bike