Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
radiation therapy
|
| gptkbp:block |
concrete
thick lead |
| gptkbp:canBeEmittedBy |
gptkb:gamma-ray_bursts
black holes supernovae |
| gptkbp:cause |
ionization
biological damage |
| gptkbp:detects |
scintillation counters
Geiger counters |
| gptkbp:discoveredBy |
gptkb:Paul_Villard
|
| gptkbp:discoveredIn |
1900
|
| gptkbp:frequency |
greater than 10^19 Hz
|
| gptkbp:hasPhotonEnergy |
greater than 100 keV
|
| https://www.w3.org/2000/01/rdf-schema#label |
gamma rays
|
| gptkbp:isInvisibleTo |
human eye
|
| gptkbp:isMoreEnergeticThan |
gptkb:X-rays
|
| gptkbp:partOf |
electromagnetic spectrum
|
| gptkbp:penetration |
very high
|
| gptkbp:producedBy |
nuclear reactions
radioactive decay cosmic phenomena |
| gptkbp:symbol |
γ
|
| gptkbp:travelsAt |
speed of light
|
| gptkbp:usedIn |
gptkb:astronomy
gptkb:cancer medical imaging sterilization food irradiation industrial radiography |
| gptkbp:wavelengthRange |
less than 0.01 nanometers
|
| gptkbp:bfsParent |
gptkb:optics
|
| gptkbp:bfsLayer |
4
|