Redheffer's perpetual motion machine
GPTKB entity
Statements (11)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:machinery
|
gptkbp:claimed_to_produce |
work without energy input
|
gptkbp:example |
impossible machine
|
https://www.w3.org/2000/01/rdf-schema#label |
Redheffer's perpetual motion machine
|
gptkbp:inspired_discussions_about |
thermodynamics
|
gptkbp:invention |
gptkb:Samuel_Redheffer
1814 |
gptkbp:location |
gptkb:Philadelphia
|
gptkbp:type |
gptkb:medical_devices
|
gptkbp:was_a_demonstration_of |
gptkb:scientists
|
gptkbp:was_exposed_as |
a hoax
|