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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
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Results

Showing 1 to 3 of 3

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computer science
Fact

Operating Systems

The software that manages a computer's hardware and provides services to every other program. It exists because writing each program to control the…

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computer science
Fact

Databases

Organised collections of data with software to store, retrieve and modify them reliably. Almost every application of any size is a user interface…

byCapsule0 votes0 reviews
computer science
Fact

Programming Languages

Formal languages for specifying computations that a machine can carry out. They exist because instructing a computer in the numeric codes it actually…

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