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I once talked with a Lego Builder at the Florida park. He told me they use a glue that actually melts the Lego blocks together. With that in mind, I searched and found this article (on Facebook). It says Lego Park Model Makers use a solvent based plastic weld. It heats the bricks up so the edges bind together. Obviously it has to be very strong to ...


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Having them connected may actually increase longevity, at least for parts of the brick. This shields out light and air pollution. I have several LEGO bricks that were connected for 30+ years, and the sides exposed to air (and Los Angeles air pollution) were significantly more yellowed than the sides that were connected.


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Lego bricks can withstand a fairly high pressure before they deform, but Lego creations tend to deform more easily at the various connection points. Therefore it's possible to build a relatively easily deformed bridge using long pieces, such as technic beams. You could build a bridge that deforms easily and then show how it flexes under the various weights. ...


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I have designed some special measuring tooling for my previous employer that uses strain gauges, but is is not always that easy. You need for sure: an amplifier, glue them on the construction in the correct orientation 2 strain gauges on both sides for temperture compesation a way to calibrate the measuring device or construction this resulted for us ...



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