We learned about light and the wave spectrum and how it affects us. We learned about the different wave lengths on the wave spectrum and I learned that the spectrum of waves that we can see are only a certain wave length and that is all we can see, nothing more nothing less. I would like to learn more about how we found this out and why people bother to know this.
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They found that spider silk coated in carbon nano tubes can conduct electricity. It's a big deal because they can use this as an alternative for electric wires and can use this and stop using non-biodegradable plastics.
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