What makes a pepper hot?
Peppers come in all shapes, colors, sizes, and flavors. So what makes a pepper hot, and how spicy are the different kinds of peppers?
How does the handle of a coffee cup stay cool?
I just poured scalding hot coffee into my favorite mug. I can barely touch the outside of the mug itself, but the handle stays nice and cool to the touch. What sort of magic is this? Coffee conundrum You wake up, stumble into the kitchen, fire up the coffee maker (or French press, or single-cup…
Can you really tell the temperature from cricket chirps?
Is it true that you can figure out the temperature based on a cricket’s chirps? Yes, you can – and here’s how to do it.
How do air conditioners work?
Air conditioning is one of those modern conveniences we much about – until we don’t have one or it breaks. How do air conditioners work?
Can you fry an egg on the sidewalk on a hot day?
When it’s over 100 degrees outside, is it finally hot enough to fry an egg on the sidewalk?