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Laser paintball – entertainment for the 21st century
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Laser paintball – entertainment for the 21st century

Paintball is an entertainment which is gaining more and more popularity. An interesting alternative to the traditional game is laser […]

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The Baader Solar Filter: How to Choose the Right One for Your Telescope
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The Baader Solar Filter: How to Choose the Right One for Your Telescope
How can you tell if your telescope needs a solar filter? If you’re like many amateur astronomers, the answer to that question may be that I have no idea, but I’m pretty sure mine does! In reality, though, most telescopes don’t require such an accessory unless you plan on observing the sun directly or getting pictures of it.
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