The Naked Scientists Online, Science Podcast and Science Radio Show.
Science, Psychology and Interesting Items. How to Forecast Weather | Ever wondered how to forecast the weather without actually using instruments? Check the Clouds: Clouds can tell us a lot about the weather. For example, they can tell us if it’s going to be warmer on a particular night by simply being there. That’s because they prevent heat radiation from escaping. They can also tell you whether there will be rain and whether there will be bad weather in general (when you see clouds moving in opposite directions of each other).
Check the Humidity: If you’re one of those people whose hair gets all curly when it gets really humid out, you know exactly what this is about. Check the Animals: Birds only fly in the sky when they expect fair weather ahead. Look at the Rainbow (but only in the west) and look for a Red Sky: If you see one in the west, it means a major storm front is coming. Check the Air: If it smells like a compost heap, expect some rain soon. Check the Moon: Seen any red moons lately?
Check the Wind: A Few More Ideas: Technophilia: Get a free college education online. "How to make a solar power generator". Internet Public Library. 11 cheap gifts guaranteed to impress science geeks. Science comes up with a lot of awesome stuff, and you don't need a Ph.D, a secret lab, or government funding to get your hands on some of the coolest discoveries.
We've got a list of 11 mostly affordable gifts that are guaranteed to blow your mind, whether or not you're a science geek. Click on any image to see it enlarged. 1. Aerogel Also known as frozen smoke, Aerogel is the world's lowest density solid, clocking in at 96% air. It's basically just a gel made from silicon, except all the liquid has been taken out and replaced with gas instead. Aerogel isn't just neat, it's useful. Price: $35 2. Inside these sealed glass balls live shrimp, algae, and bacteria, all swimming around in filtered seawater. EcoSpheres came out of research looking at ways to develop self-contained ecosystems for long duration space travel.
Price: $80 3. NASA has been trying to figure out how to get a sample of rock back from Mars for a while now. Price: $70+ 4. Price: $150 5. Price: $110 6. Price: $80 7. Price: $15 8.