当我们将两米半的PVC管内塞入一个乒乓球，两端覆盖上隔热铝箔，抽出98%的空气，在一端放上易拉罐并刺破另一端的铝箔时，会发生什么？准备好了吗？三，二，一。（砰！）哇，那声音真大 - 让我们来看看罐子上的损伤。
Have you ever wondered why astronauts appear to float effortlessly inside the International Space Station? Is it truly a lack of gravity, or is there more to this cosmic conundrum? Let's delve into the intriguing physics that govern this fascinating phenomenon.
The durability of our home planet, Earth, is a topic that has sparked both scientific inquiry and imaginative speculation. Whether due to human activity or cosmic fate, the inevitable truth is that Earth will not last forever. This leads us to a pivotal question: What will humanity do if faced with the necessity to abandon our only home? The most intuitive solution is to colonize space, but is this feasible? What if, instead of searching for a new home, we built an entirely new planet?