Videos
Short narrated explainers. Watch a series in order, or pick a single video on the topic you need.
219videos
16series
42standalone
System Design103
Amazon
9 episodes · Watch in order
Discord
9 episodes · Watch in order
Figma
9 episodes · Watch in order
Google Search
9 episodes · Watch in order
Netflix
9 episodes · Watch in order
Slack
9 episodes · Watch in order
Stripe
9 episodes · Watch in order
Uber
9 episodes · Watch in order
WhatsApp
9 episodes · Watch in order
YouTube
9 episodes · Watch in order
Load balancing: the chai stall that got famous
1:33 · from The Chai Stall That Got Famous
Caching: the slate next to the stove
1:30 · from The Slate Next to the Stove
Queues: the order slip rail and the cliff
1:37 · from The Order Slip Rail
Replication: the copy clerks
1:38 · from The Copy Clerks
Sharding: splitting the ledger
1:40 · from Splitting the Ledger
CAP: the cut phone line
1:46 · from The Cut Phone Line
Rate limiting: the bouncer at the door
1:57 · from The Bouncer at the Door
Consensus: who holds the pen
2:49 · from Who Holds the Pen
Distributed transactions: the two ledgers must agree
2:29 · from The Two Ledgers Must Agree
Event-driven architecture: the ledger everyone reads
2:36 · from The Ledger Everyone Reads
Choosing a datastore: the workload picks the book
2:41 · from The Right Book for the Job
Caching properly: write strategies, stampedes, and invalidation
2:54 · from The Slate, Properly
API design: the contract other people's code stands on
3:20 · from The Contract at the Counter
AI27
Mind Blown25
Exponential growth: fold a paper to the moon
1:23 · from Fold a Paper to the Moon
Emptiness: an atom is a marble in a stadium
2:17 · from You Are Empty Space
A secret shouted across a room
1:45 · from A Secret Shouted Across a Room
Lookback time: the night sky is a time machine
2:44 · from The Night Sky Is a Time Machine
The birthday paradox: why 23 people is a coin flip
1:44 · from The Birthday Paradox
The Monty Hall problem: why switching doors wins two times in three
1:52 · from Monty Hall, the Illegal Switch
The halting problem: a question no computer can answer
1:21 · from The Question No Computer Can Answer
Fourier: every sound you have ever heard is sine waves stacked
1:55 · from Every Sound Is Sine Waves
Braess's paradox: the road that slows everyone down
2:16 · from The Road That Slows Everyone
Time dilation: the clock in orbit runs fast
2:23 · from Your Phone Runs on Einstein
Bell's theorem: the sixteen strategies that all fall short
3:23 · from Spooky Action at a Distance
Rayleigh scattering: the sky is a detour, not a paint
2:41 · from Why the Sky Is Blue
The base rate trap: why a 99% accurate positive usually means nothing
1:57 · from The 99 Percent Test That Is Usually Wrong
Compound interest: the ten years you cannot buy back
2:55 · from Compound Interest The 8th Wonder
The folding limit: paper runs out of length, not strength
2:01 · from Why You Cannot Fold Paper Past Seven Times
The Fermi paradox: the galaxy should be full
2:40 · from Where Is Everybody
Simpson's paradox: the statistic that reverses itself
1:57 · from The Statistic That Reverses Itself
Handedness: a mirror does not flip left and right
2:11 · from Why a Mirror Flips Left-Right but Not Up-Down
Some infinities are bigger than others: Cantor's diagonal argument
2:16 · from Some Infinities Are Bigger Than Others
Why time speeds up as you age: the shrinking slice
2:22 · from Why Time Speeds Up as You Age
Benford's law: why real numbers start with 1 too often
2:14 · from Real Numbers Start With 1 Too Often
Emergence: three local rules and no leader anywhere
2:19 · from No One Is in Charge - Emergence
Fractal dimension: a coastline has no length
1:53 · from How Long Is a Coastline
The confidence curve: the chart everyone quotes was never measured
2:21 · from The Less You Know the More Sure You Feel
The moon illusion: the sky's biggest thing is the same size twice
2:54 · from The Moon Illusion
