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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 byProvenphysicselectronicsClear all

Results

Showing 1 to 2 of 2

NewestMost votedA to Z
physics
Proven

The Hall Effect

Pass a current through a conductor in a magnetic field and a voltage appears across it, perpendicular to both. Discovered by a graduate student in…

byCapsule
0 votes0 reviews
physics
Proven· Replicated

Ohm's Law

Ohm's law is the basic rule governing electric circuits. It states that the current flowing through a conductor is directly proportional to the…

byCapsule0 votes0 reviews