z - Videos
Constructing the Angle Bisector
Perpendicular Bisector Construction
Constructing a line Parallel to the given line through a given point not on the line.
Will there ever be a mile-high skyscraper?
(A theorem about angles)
Triangles have a Magic Highway
How to make NBA Basketball Board Game from Cardboard
The Three Square Geometry Problem - Numberphile
How to make spiral Marble Machine - cardboard toy
How to Make Every Strictly-Convex Deltahedron
How high can you count on your fingers?
Brain Games - Conformity (Waiting Room)
How To Drawing 3D Floating Letter "A"
The Leaning Tower of Lire - Fractions
How to Build an Igloo - Easy Step by Step Guide
11 MIND-BLOWING OPTICAL ILLUSIONS
Why Nature Loves Hexagons (featuring Infinite Series!)
Why people believe they can’t draw - and how to prove they can
Be very afraid … robots can now do back-flips
If The World Were 100 People - Percents
TOP Secret Things about Mathematics you didn't Know - Full Documentary(53 min)
Click here for question sheet for the above video.
Mont Ventoux 2016 Tour de France
Watch cyclists use a very small gear ratio on this steep climb
Last Kilometer stage 21 of the 2016 Tour de France
Watch cyclist André Greipel win the last stage of the 2016 TDF using a very big gear ratio
3D Printed Solids of Constant Width
The mathematics of words.
What really happens to the plastic you throw away
Dear Future Generations: Sorry
A message for Earth week
"YOU WON'T BELIEVE YOUR EYES!" - Smarter Every Day
1 Liter (L) = 1 decimeter cubed (dm3) paperclip evidence!
Area of a circle, how to get the formula
How much do you know?
7 yrs old Solves Rubik's Cube Blindfolded
How To Change The World (a work in progress) | Kid President
Can you solve the prisoner hat riddle?
Can you solve the bridge riddle?
What Would It Take To Power The United States With Solar Energy?
Documentary on climate change hosted by Leonardo DiCaprio, Click here for the trailer
How folding paper can get you to the moon
The Backwards Brain Bicycle - Smarter Every Day
Solar System - Planet Movement Animation
What If The Earth Stopped Spinning?
If at first you don't succeed, try, try, again!
How playing an instrument benefits your brain
Canadian students have invented a fridge that runs without electricity.
The helical model - our solar system is a vortex
Hubble Space-Shattering Discoveries
Dueling Banjos - Sleepy Man Banjo Boys - Revenge of the Guitar
High School basketball player shows real sportsmanship.
Hammer vs Feather - Physics on the Moon
Bowling ball and feathers falling in vacuum
Abbott & Costello Who's On First
What if You Dug a Hole All the Way through the Earth... And Jumped In???
Malala Yousafzai - The Pakistani Girl Shot by the Taliban wins the Nobel Peace Prize