Does a green laser pointer stop working when it is cold? Or does it turn into an invisible laser? That is nice to know for safety reasons if you are using a green laser pointer to point out stars on a... continue reading
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Does a green laser pointer stop working when it is cold? Or does it turn into an invisible laser? That is nice to know for safety reasons if you are using a green laser pointer to point out stars on a... continue reading
posted by blacklotus90From YouTube: Do you want to go to space? Do you want to learn about bending computers and boxes that make clothes smell better and sky boats with turning wings? Then point your pointer here and press down.
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