Ever wondered how fireworks work? With chemical compounds, that’s how! Let’s look into why they glow in different colors.
Why does glue stick? Or Sue against Glue After staring at the ugly wallpaper in our all-purpose study/computer room for too long to admit, I decided it had to come down. The stuff, however, was stuck and I mean stuck. It became Sue against Glue. Clearly, I needed an ally.
I’ve heard people ask, ‘would you rather fly or be invisible?’ I think both! But invisibility may be closer than we think! Researchers are working on exactly that. They’ve had success on a small scale.