Complex things —
in simple words
Each note explains one topic so anyone can understand. Science, finance, psychology and more.
Latest notes
Dopamine: Why Your Brain Is Hooked on Scrolling
Dopamine loops, variable reinforcement, and why TikTok is so addictive — the neuroscience of screen addiction.
TechnologyHow AI (Neural Networks) Works
What ChatGPT actually does and how neural networks learn — no math, with an interactive example.
FinanceHow Loans Work
Interest rates, overpayment, and annuity payments — find out how much you'll really pay the bank.
HealthHow Sleep Works
Sleep cycles, 90-minute phases, and why you can't 'catch up on sleep' over the weekend. The science of sleep explained simply.
ScienceHow Vaccines Work
Why a shot helps you not get sick — and how your immune system learns to protect itself. Explained without medical jargon.
TechnologyWhat Is Blockchain
Distributed ledger, hashes, and chains of blocks — the technology explained without crypto hype, with an interactive example.