Physics

Why You Can’t Hear Sound in Space?

For any sounds to reach your ear, it would need a medium (fluid, solid) to propagate. For example, when your friend calls out your name, her vocal folds vibrate and make the sound of your...

Why Does Microwaving a Grape Produce Plasma?

When a grape is cut in half except for its peel, and placed inside the microwave oven and microwaved for a few seconds, a plasma discharge occurs between those two pieces and under certain conditions, the plasma...

Why Are Bananas Radioactive?

I hear you… Yes! Bananas are radioactive. Not just bananas, but also most of the objects you encounter in your everyday life are radioactive too. Indeed, even you are radioactive! Let’s focus on bananas for...