Measuring Cosmic Rays: There's an App for that

In summary, a group of researchers from the University of California has published a paper on the possibility of using smartphones to detect cosmic rays. This is due to the fact that the digital sensors in cameras and cell phones have the ability to detect infrared, which is usually filtered out by the camera lens. This phenomenon is also a challenge for astrophotographers and space telescopes. The Hubble Space Telescope, for example, must go through extensive processing to produce clear images despite the interference from cosmic rays and high energy particles.
  • #1
TumblingDice
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A group of researchers from the University of California has published a paper regarding the viability of detecting cosmic rays using an array of 'SmartPhones'. I've read before that the digital sensors (photomultipliers?) in most cameras and cell phones detect infrared and, by design, this is filtered out by the camera lens. (EDIT: a filter behind the lens)

Who woulda' thought about cosmic rays? :w

Article here:
http://arstechnica.com/science/2014/10/cosmic-ray-particle-shower-theres-an-app-for-that/

PDF (7 pages) here:
http://crayfis.ps.uci.edu/paper.pdf
 
Last edited:
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  • #2
Interesting use of a phenomenon that us astrophotographers have to take pains to filter out of our images. Cosmic rays and high energy particles also plague the detectors of space telescopes. If you take a look at a raw exposure from the HST prior to processing you'd never guess that they could make clear images out of these exposures.
 

1. How does the app measure cosmic rays?

The app uses the device's camera to detect and measure the cosmic rays hitting the camera sensor.

2. Is the app accurate in measuring cosmic rays?

Yes, the app has been tested and validated by scientists and has been found to be accurate in measuring cosmic rays.

3. What can I do with the data collected by the app?

The data collected by the app can be used for scientific research and also to track and monitor cosmic ray activity in different locations.

4. Can the app measure different types of cosmic rays?

Yes, the app can measure different types of cosmic rays such as muons, electrons, and protons.

5. How can I contribute to the app's data collection?

You can contribute to the app's data collection by using the app and allowing it to collect data from your device's camera. You can also share your location and any interesting findings with the app's community.

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