Alternative Energy for a Changing Climate
Why are alternative energy sources, to our current reliance of “fossil fuels”, so important? If we as a society are to solve the problem of putting extra carbon dioxide into the atmosphere then we need to find another way to power our cars, heat and produce electricity for our homes and business, and produce much of our food. Our society relies so heavily on the combustion of fossil fuels that there probably isn’t one magic bullet – but a combination of approaches that will need to be employed.
Gas Lubrication: Prism Spinners for Laser Research
When Westwind Air Bearings Ltd began marketing air lubricated spindles capable of speeds in excess of 100,000 rpm in 1963, it was not long before the company started receiving requests from both public and private research centres to produce high speed rotating devices to meet diverse special needs. These ranged from tiny, finger-tip size, infrared choppers running on helium gas in skin cancer detectors to much larger machines capable of testing centrifugally-arming artillery shell fuses at speeds up to 30,000 rpm. One of the most challenging, as well as long-lived projects, however, was undertaken under contract to Britain’s National Physical Laboratory (NPL). This involved developing machines to rotate glass prisms at the highest possible speeds for use in laser research.
What Tools Do You Need to Encourage Your Child’s Interest in Science?
My kids love science. The oldest are in elementary school, so it’s mostly learning facts and very basic experiments, nothing too complex yet. It’s a great field to have your children interested in, but how can you encourage them?
The simplest way to encourage your child to love science it to allow him or her to do experiments. They can be as simple as mixing a bit of water into corn starch and seeing how that mixture has unusual properties. That said, having a bit of equipment available makes things a lot more fun.
A basic child’s microscope is quite affordable, for example. You can buy basic models for under $20, or spend over $100 for ones with a screen viewer or that can connect to your computer with a USB cord. Once your child has explored how amazing things are with a simple magnifying glass, a microscope is a great next step.
Science That Is Fun for Kids
Science is an exciting subject for kids. Things have died down in the last couple of years because of videos games, computers and the internet. But there is still a lot of fun experiments and activities kids will love to do. Some of these kits or experiments are cheap, affordable or don’t cost any money at all. The best thing science will go is getting your kids away from the computers and out learning something new.
Chemistry
Chemistry is an interesting subject in science. It deals with chemical reactions and the study of changes it undergoes. Chemistry Kits are a great way to break the ice in this subject. They usually consist of safe to use chemicals, breakers, test tubes and even litmus paper. These small kits will also come with instruction of easy experiments your kids can do.
Biology