106 badges to collect
Copper pads, steel nuts, gold plates and holographic chips, each one for something you did.
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Big ideas for curious minds
Discover the big ideas behind technology through fun, interactive challenges
- 180
- lessons
- 20
- zones
- 6
- languages
- ~3
- minutes a lesson
Try it right now
Don't just read about it. Play with it.
The very first lesson starts with a surprise: everyone is only about six handshakes from anyone. Say each person knows 50 people. Tap EXPAND and watch how fast it adds up.
Play the whole lessonAmazing!
How it works
Three minutes. One big idea. Yours for good.
- 1
Pick a lesson
Every lesson is one tech curiosity, from why flights curve to how your phone knows which way is up.
- 2
Play with it
Each idea comes alive in a demo you drive yourself. Tap, drag and break things until it clicks.
- 3
Prove it
A quick five-question test locks it in. Fewer mistakes, more stars.
The journey
From the cloud to the launch pad
Every zone is a tech place with nine lessons: security, codes, quantum physics, AI, space and much more. New zones keep arriving.
- 1Zone 1Origin CoreSix Degrees, The Birthday Surprise and more
- 2Zone 2Firewall KeepThe Monty Hall Trap, 0.1 + 0.2 ≠ 0.3 and more
- 3Zone 3Turbine RidgeShuffle Isn't Random, Deleted Isn't Gone and more
- 4Zone 4Cipher VaultThe Cookie Jar, Two-Factor Login and more
- 5Zone 5Quantum FoamThe Packet Puzzle, Rolling Shutter and more
- 6Zone 6Silicon DunesPhantom Vibrations, Why We Only See One Side of the Moon and more
- 7Zone 7Fiber ReefThe Peanut Butter Robot, Why Your Selfie Is Flipped and more
- 8Zone 8Pixel DriftFinding a Route, You've Been Training AI for Free and more
- 9Zone 9Circuit GroveThe Desk and the Warehouse, The Lost Packet and more
- 10Zone 10Analog FoundryA Neuron Is a Weighted Vote, The Afterimage Flag and more
- 11Zone 11Server FarmWhy Gloves Don't Work on Phones, The Hand-on-the-Wall Rule and more
- 12Zone 12Signal StormThe Bottomless Feed, Why Your Microwave Door Has Holes and more
- 13Zone 13Retro TerminalSaturn Would Float, Random Dots Draw a Triangle and more
- 14Zone 14Neural NexusHow Fast Are You?, The Sun Is White and more
- 15Zone 15Satellite BeltYanny or Laurel?, The Simplest Unsolved Problem and more
- 16Zone 16Launch PadYou Can't See the Great Wall From Space, The Chart That Lies and more
- 17Zone 17Cloud CitadelRice on a Chessboard, Schrödinger's Cat Was a Joke and more
- 18Zone 18Firewall KeepAchilles and the Tortoise, Suspension Bridges and more
- 19Zone 19Turbine RidgeThe Missing Dollar, The Cocktail Party Effect and more
- 20Zone 20Cipher VaultThe Friendship Paradox, Braking Into the Battery and more
A taste of what's inside
Questions you never knew you had
- 1Graph TheorySix DegreesYou're about six people away from almost anyone
- 6Natural Language ProcessingWhy AI Can't Count the R's in StrawberryAI reads chunks of words, not letters
- 10ProbabilityThe Monty Hall TrapSwitching doors doubles your chance of winning the car
- 124OpticsWhy the Sky Is BlueAir scatters blue light far more than red, and sunsets are the leftovers
- 178Classical CryptographyThe Enigma Machine158 quintillion settings, changed every single day
- 4Map ProjectionsMercator's LieGreenland looks as big as Africa; Africa is 14 times bigger
- 67SpaceflightSixteen Sunrises a DayThe space station circles Earth every 90 minutes
- 175Binary ComputingThe Vote From Outer SpaceA cosmic ray may have added 4,096 votes in a Belgian election
Keep coming back
A game that rewards curiosity
Daily streaks
One lesson a day keeps your streak alive, and a shield can save it on a busy day.
A Daily Wonder
One small tech curiosity a day, with its own picture, the same for everyone.
XP and leaderboards
Earn XP for every lesson and see how fast you were on each lesson's leaderboard.
Tech Wonders PRO
Learn without limits
Unlimited hearts, every past zone, a streak shield every week and unlimited Daily Wonders.
Questions and answers
Is Tech Wonders free?
Yes. You can start playing right away, without an account. Signing up is free and keeps your progress, and PRO is optional.
Who is it for?
For anyone curious about how technology works, from teens to grandparents. No math or coding needed: every idea is shown, not lectured.
How long does a lesson take?
About three minutes: a few interactive slides and a five-question test.
Is there an app?
Yes. Tech Wonders is on the App Store for iPhone and iPad, and your account works in both places.
Which languages can I play in?
English, Spanish for Spain and Latin America, French, German and Italian. The whole game switches, lessons included.
Is everything true?
Yes. Every lesson is researched from its sources, its numbers are worked out in code, and the demos run real models.
