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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 byphysicstechnologyClear all

Results

Showing 1 to 5 of 5

NewestMost votedA to Z
physics
Fact

Timekeeping

Measuring the passage of time and dividing it into units. Every method works by counting something that repeats regularly, and the history of the…

byCapsule
0 votes0 reviews
physics
Proven

The Laser

A device that produces light in which every wave is in step, travelling in one direction at one wavelength. It was built in 1960 with no application…

byCapsule0 votes0 reviews
physics
Fact· Historical

The Large Hadron Collider

The Large Hadron Collider, or LHC, is the world's largest and most powerful particle accelerator, built by the European laboratory CERN near Geneva.…

byCapsule0 votes0 reviews
physics
Fact· Empirical

Quantum Computing

Quantum computing is a new kind of computing that harnesses the strange rules of quantum mechanics to process information in ways ordinary computers…

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