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Radiation from cell phonesFeatured science projectScience project video

Conclusion

The hypothesis that radiation emitted by a cell phone emits enough energy to increase the temperature of water in a test tube is proven to be incorrect.

Many studies have been done to determine if radiation from a cell phone can cause health problems. Most of the studies completed were able to show that using the cell phone does not cause cancer or other health problems. However, it is still advisable to minimize exposure to cell phone radiation by using hands free devices, earphones or Bluetooth devices.

Also consider

Try repeating the science fair project by using other cell phone models and brands.

The experiment can also be done to determine if the temperature increases during cell phone conversations (as opposed to simply ringing).
 

References

Mobile phone radiation and health - http://en.wikipedia.org/wiki/Mobile_phone_radiation_and_health

Physicist debunks cell phone viral ad - http://www.wired.com/underwire/2008/06/cellphones-cant/
 

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Complexity level:
7
Project cost ($):
30
Time required:
1 hour to prepare, 1 hour for observation
Material availability:
Easily found
Safety concerns:

Basic safety requirements