Black holes are the most mysterious objects in the Universe. Their gravity is dangerously strong. They suck in everything that comes too close. Moreover, they
If you topple a bottle of water, the liquid flows out very fast. But turn over a container of treacle, andit takes ages to empty.
Have you ever played with a magnet? It’s like magic. A magnet has an invisible force field. You can only see it indirectly. For instance
ALMA is located in the Atacama Desert. When thinking about a desert, you probably imagine a vast, boring stretch of hot sand, with the occasional
Your eyes are connected to your brain through thick bundles of nerve cells. These optic nerves transfer the signals from your two retinas to your
Have you ever noticed that owls have big eyes? That’s because they live at night. During the dark, you need really big eyes to see