Credit: RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA/SCIENCE PHOTO LIBRARY

Caption: Geiger counter detecting beta particles emitted by a disc of strontium 90 (green), a radioactive isotope of the element. Beta particles are electrons emitted by unstable nuclei. They are able to travel tens of centimetres through the air and penetrate thin materials, such as skin.

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Keywords: apparatus, beta decay, beta particles, decaying, demonstration, detecting, detection, emission, emitting, geiger counter, geiger-muller counter, isotope, measurement, measuring, no-one, nobody, penetrating ability, physical, physics, radiation, radioactive, radioactivity, radioisotope, radionuclide, school science, science education, strontium 90

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Detecting beta particle radiation

K004/4567 Rights Managed

Downloadable master

Duration: 00:00:22.06

Frame size: 1920x1080

Frame rate: 25

Audio: Yes

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 352.2M

Original

Capture format: Sony FS700

Codec: Apple ProRes 422 HQ

Interlaced: Yes

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