SciTech English
on science and technology
Dr. Ray's Technology Lectures
Dr. Ray on Bitcoin
(1 hour)
Dr. Ray on Machine Learning / AI
(1 hour)
Dr. Ray on 3D printing
(1 hour)
TED-Ed Video Collection
Videos:
There are 17 videos
Format:
Each video is ≈ 5 minutes
Visit TED Ed →
Tower of Pisa
Building Bridges
Touch Screens
Desert Solar Panels
Suez Canal
Hoover Dam
Skyscraper That Almost Toppled
If Concrete Could Heat Itself
Wooden Skyscraper
Space Elevator
Why Are Planes Slower Today
Placebo Effect
Heart Attack
How to Spot a Liar
Zombies
Mona Lisa
Blood Types