4.4 ⢠613 Ratings
šļø 4 December 2024
ā±ļø 21 minutes
šļø Recording | iTunes | RSS
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0:00.0 | You're listening to Sleep Tight Science. |
0:14.6 | Did you know Lego bricks are made so precisely that only one in a million is defective? |
0:22.6 | What? |
0:23.7 | That's some pretty impressive engineering. |
0:34.1 | Hello, friends, and welcome back to Sleeptight Science, a bedtime show that answers your questions about science. |
0:44.0 | In this episode, we are going to learn about Lego. |
0:49.6 | Lego are small, colorful building blocks that snap together to create anything your imagination can dream up. |
0:58.0 | Each Lego brick has tiny studs on top and matching tubes underneath, |
1:05.0 | allowing them to interlock securely. |
1:08.0 | This design makes them perfect for building everything from simple towers to detailed models like spaceships, castles, or even working robots. |
1:22.6 | Lego bricks are made of durable plastic and are known for their precision. |
1:29.3 | They fit together so perfectly that a brick made today can still connect with one from the 1950s. |
1:38.3 | They're not just toys. |
1:42.3 | Lego is used for learning, engineering challenges, and even art. |
1:48.0 | These little building blocks can be so much fun. |
1:53.0 | But have you ever wondered how they're made or where they came from? |
1:58.0 | Let's learn all about the science, history, and magic behind Lego. |
2:09.5 | Lego bricks start as tiny plastic pellets, which are heated until they melt into a liquid. |
2:24.3 | This molten plastic is then injected into molds shaped like Lego bricks. The molds are incredibly precise, ensuring each brick fits perfectly with the next. |
2:32.3 | After cooling and hardening, |
2:35.0 | the bricks are inspected for quality, |
2:38.0 | and any that don't meet LEGO's high standards |
... |
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