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@cahlen
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Threespeak
Pal'n with Cahlen - June 8th 2023
▶️ Watch on 3Speak I answer some questions viewers sent in live. Topics include c
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Deep Dives
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Today I would like to share some beautiful photos of the Earth: Thank you NASA! Space, the final frontier... To boldly go where no man
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dPoll
Do You Trust Academic Research?
Do You Trust Academic Research? Some of the research I excitingly read as a kid turns out to be based on falsified data. There was a time I believed most of what was published…
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GEMS
The Inverse Square Law of Light
The Inverse Square Law (testable, observable, measurable and repeatable) proves that when you double the distance to a light source, you'll only get a quarter of its irradiance. ![](
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Music
Learning the Pennywhistle
▶️ Watch on 3Speak The Pennywhistle is light, compact and sturdy, which makes it
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