16 Levels of Piano Composition: Easy to Complex

Pianist and composer Nahre Sol attempts to play “Happy Birthday” in 16 levels of complexity. Nahre starts playing the iconic tune with just one finger and adds more and more layers until she’s playing it with extended harmonies, elongated melodies and staggered leaps. Watch and see how it all comes together!
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Laser Expert Explains One Concept in 5 Levels of Difficulty

Donna Strickland, PhD, professor at the University of Waterloo, is challenged to explain lasers to 5 different people; a child, a teen, a college student, a grad student, and an expert.
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6 Levels of Knife Making: Easy to Complex

Knife maker Chelsea Miller explains knife making in 6 levels of difficulty. From a wooden knife to a chef’s knife made from raw materials, watch how Chelsea demonstrates and breaks down everything that goes into the making of a knife.
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Physicist Explains One Concept in 5 Levels of Difficulty

Theoretical physicist Sean Carroll, PhD, is challenged to explain the concept of dimensions to 5 different people; a child, a teen, a college student, a grad student, and an expert.
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21 Levels of Skateboarding: Easy to Complex

Pro skater Tony Hawk explains ground and vert skateboarding in 21 levels of difficulty. From the olllie to the 900 and the heelflip 720, watch how Tony demonstrates and breaks down everything that goes into these tricks.
WIRED Videos

16 Levels of Piano Composition: Easy to Complex

Pianist and composer Nahre Sol attempts to play “Happy Birthday” in 16 levels of complexity. Nahre starts playing the iconic tune with just one finger and adds more and more layers until she’s playing it with extended harmonies, elongated melodies and staggered leaps. Watch and see how it all comes together!
WIRED Videos

Expert Explains One Concept in 5 Levels of Difficulty – Blockchain

Blockchain, the key technology behind Bitcoin, is a new network that helps decentralize trade, and allows for more peer-to-peer transactions. WIRED challenged political scientist and blockchain researcher Bettina Warburg to explain blockchain technology to 5 different people; a child, a teen, a college student, a grad student, and an expert.
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Musician Explains One Concept in 5 Levels of Difficulty

23-year-old musician, composer and multi-instrumentalist Jacob Collier explains the concept of harmony to 5 different people; a child, a teen, a college student, a professional, and jazz legend Herbie Hancock.

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