Your body knows that internal organs are more vital than, say, fingers and toes. In cold weather, it wouldn’t be very efficient to pump warm blood to the outside of your body, because then the heat could easily radiate away! Conserving warmth in your core is a great survival tactic, but it’s uncomfortable for
You’ve probably seen how oil and water get along (or don’t), but did you know that this behavior could help control oil spills and alleviate desert water shortages? Oil isn’t the only substance that doesn’t want to associate with water. One innovation that has harnessed the power of water resistance is hydrophobic (“water-fearing”) sand. Marketed
Here’s a fun summer experiment that ends with watermelon EVERYWHERE! Be sure to wear proper eye protection…delicious debris will fly in all directions. You’ll need one watermelon, a LOT of rubber bands, and an outdoor area that can get very, very messy. Cover your explosion zone with a large tarp for easier clean-up! Step 1:
If you’d like to know what’s out there in the universe, it’s an awfully exciting century to be alive! From Vostok to Hubble to New Horizons, ambitious feats of engineering are bringing our corner of the cosmos into fuller detail and color all the time. At AstroCamp, we’re all about harnessing the wonder of space
Have you ever felt pressure on your body– especially in your ears– as you swim deep underwater? The deeper you go, the more pressure you feel. This is the core of a principle called buoyancy. Buoyancy explains why, in a liquid, what goes down just might come up! Let’s think about how water affects this
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