LEARNHow The Heck Do QR Codes Work?
How black-and-white squares encode URLs, error-correct themselves, and survive coffee stains.
By Shri Khalpada
Learn
Interactive deep dives into how systems work, from QR codes to the smoothness of our planet.
All Learn Content
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LEARNHow The Heck Does GPS Work?
How geometry, stopwatches, and Einstein's theories work together to make GPS possible.
By Shri Khalpada
LEARNHow The Heck Does Shazam Work?
How audio fingerprinting and a connect-the-dots trick lets Shazam identify a song in seconds.
By Shri Khalpada
LEARNLottery Simulator
Interactively explore lottery probabilities and simulate thousands of tickets in seconds.
By Shri Khalpada
LEARNThe Counterintuitive Birthday Paradox
Simulate the probabilities of shared birthdays in a group.
By Shri Khalpada
LEARNHow Smooth Is The Earth, Really?
Visualize elevation data with a 3D globe.
By Shri Khalpada
LEARNSimulating The Prisoner's Dilemma
To betray, or not to betray?
By Shri Khalpada
LEARNMaking Sense of Voting Systems
Interactively explore how different voting systems can yield different outcomes.
By Shri Khalpada
