Ximending,
25thMay 2005
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The Maiden
Medical undergraduate
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La Vie En RoseBy Louis Armstrong  |
Wednesday, August 07, 2002
I attribute the silliness of the following experiment to exam stress.
Theorical background. When a force is applied repeatedly at the natural frequency of any system large amplitude oscillations result. This is the phenomenon known in physics as RESONANCE. A microwave makes use of resonance. The microwaves are produced with a frequency equal that of the natural frequency of vibration of water molecules. When some food, which always contains water molecules, is placed in the oven, these water molecultes resonate, absorbing energy from the microwaves and consequently heating up. Thus, I would expect microwaves to be able to resonantly drive a longitudinal vibration mode in dna chains by residing on the backbone of the DNA helix. Similar consequences may result in other macromolecules found in the human anatomy. It is then be logical to conclude that handphone radiation harms our bodies. The practical part. Location: RJC canteen Time: 1215 hrs (lunch break) Objective: To prove that handphone radiation causes irreverible damage through the resonance of water molecules Apparatus: Handphones (2) -- panasonic GD92, nokia 3310, cup of water Procedures: 1. Direct radiation (microwaves) towards cup of water. 2. Increase amount of radiation by receving incoming call. 3. Look out for clue of resonance (e.g. bubbling indicates boiling of water) Precautions: None taken. Inaccuracy due to: 1. Other sources of radiation not taken into account. 2. Radiation provided by handphones assumed to be microwaves. ( It should be, but checks required to confirm that) 2. Absence of thermometer. Resonance of water molecules may not produce a amplitude large enough to bring about boiling. It is more likely that a small change in temperature results. Data collected: Negative. No change observed. Conclusion: Experiment inaccurate. No conclusion should be drawn at this point. The maiden spoke at 10:41 PM
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