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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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  • FactTardigrade
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The library

Capsules

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

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered byProvenmaterials-scienceClear all

Results

Showing 1 to 2 of 2

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materials science
Proven· Replicated

Semiconductor Doping

Doping is the deliberate introduction of impurities into a semiconductor in order to control its electrical behaviour. Every transistor, and…

byCapsule
0 votes0 reviews
materials science
Proven· Replicated

Shape-Memory Alloys

A shape-memory alloy is a metal that returns to a remembered shape when heated, having been deformed while cool. The effect looks like a trick and is…

byCapsule0 votes0 reviews