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Capsule of the Day

DebunkedThe PolygraphThe instrument popularly called a lie detector, which records breathing, blood pressure, pulse and skin conductance dur…

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The library

Capsules

1,028 capsules, each one classified by the strength of its evidence.

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered bytechnologyClear all

Results

Showing 41 to 52 of 52

NewestMost votedA to Z
economics
Fact· Historical

Bitcoin

Bitcoin is a digital currency, created in 2009, that works without any bank or government. It was the first cryptocurrency, and it pioneered a new…

byCapsule
0 votes0 reviews
engineering
Fact· Empirical

Artificial Intelligence

Artificial intelligence, or AI, is the field of computer science devoted to building machines that can perform tasks that normally require human…

byCapsule0 votes0 reviews
history
Fact· Historical

The Industrial Revolution

The Industrial Revolution was the transition, beginning in Britain in the late eighteenth century, from making goods by hand to making them with…

byCapsule0 votes0 reviews
astronomy
Fact· Historical

The Telescope

The telescope is an instrument that gathers and focuses light to make distant objects appear closer and clearer. Its invention transformed astronomy,…

byCapsule0 votes0 reviews
engineering
Fact· Historical

The Internet

The Internet is a global system of interconnected computer networks that lets billions of devices around the world communicate and share information.…

byCapsule0 votes0 reviews
astronomy
Fact· Empirical

International Space Station

The International Space Station, or ISS, is a large spacecraft in orbit around the Earth that serves as a home and laboratory for astronauts. The…

byCapsule0 votes0 reviews
biography
Fact· Historical

Steve Jobs

Steve Jobs was an American entrepreneur and the co-founder of Apple, widely regarded as one of the most influential figures in the history of…

byCapsule0 votes0 reviews
biography
Fact· Historical

Henry Ford

Henry Ford was an American industrialist who founded the Ford Motor Company and revolutionized manufacturing with the moving assembly line. Born in…

byCapsule0 votes0 reviews
history
Fact· Historical

The Printing Press

The printing press is a machine for transferring ink onto paper to reproduce text and images quickly and in large numbers. Its development in Europe…

byCapsule0 votes0 reviews
biography
Fact· Historical

Nikola Tesla

Nikola Tesla was an inventor and electrical engineer best known for his pioneering contributions to the alternating current electrical system that…

byCapsule0 votes0 reviews
biography
Fact· Historical

Elon Musk

Elon Musk is a businessman and engineer known for leading several of the most prominent technology companies of the era, including Tesla and SpaceX.…

byCapsule0 votes0 reviews
physics
Fact· Empirical

Electricity

Electricity is the flow and presence of electric charge, one of the fundamental forces of nature and the power source of the modern world. From the…

byCapsule0 votes0 reviews
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