Short stories of human inventions
Archive for March, 2009
Toenail Fungus Laser Treatment – Is This Effective?
One of the greatest blessings of the medical science is the invention of laser rays. Thanks to the invention it has now become possible to undertake bloodless surgeries. In the past laser has been successfully used for treatment and surgery of the eyes. Now the scientists and doctors have changed their aiming point towards the treatment of foot.New hopes emergingWith the use of laser rays for the treatment of the toenail fungus, many physicians and doctors now believe that it will be possible for the people suffering from this irritating syndrome to take their socks off in the public. This will certainly be a great moral booster for the millions of sufferer across the globe. Perhaps the greatest achievement will be providing peace and solace to 15% of the world population already under influence of the toenail fungus syndrome.New way of treating toenail fungusTarget of laser treatment now is toenail fungus that has affected nearly 23 million people in United States alone. After conducting small clinical trials the doctors are now certain that the use of laser could open up new vistas in the treatment of toenail fungus… More >>
Fourth Grade Science Fair Projects
Fourth grade students are very energetic and their span of attention or concentration is very small. Above that, they want to observe, infer, predict and classify anything taught on science. Learning by doing is a good concept and it registers in their young minds and they can never go wrong in their examinations. For this, a lot of schools conduct fourth grade science fair. Here, all the fourth grade science fair projects will be displayed.The children explain their fourth grade science fair projects, while the others watch these projects and learn. Teaching them in a play way method is very effective. Here are few fourth grade science fair projects for this age group.Salt increases the density of water. Add four to five tablespoons of salt in a glass of water stir it nicely and float an egg. Also add little more luke-warm fresh water and check, the egg will float in-between the salt and the water. Try using sugar or flour in the water the egg will sink.Which water is good for plants can be made as a project by selecting a pot with some seeds; one pot… More >>
Presentation Skills
Most of us hate any form of public speaking. We’d much rather sit in the background and not having any attention focused on us.Unfortunately, at some stage in our working careers each one of us will be required to either sell an idea; make a recommendation; market our work or ourselves or market a product. In such an instance you would have no other choice but to bite the bullet and stand before an audience to present your case.Do not stress it is not that difficult. It only requires a few skills which are easy to master. When you are required to do a presentation, do it well and use it as an opportunity to get noticed – it could well be the key to a successful career!Start at the very beginning and plan well ahead for the big moment. The starting point is your expected audience. What will my audience know about the topic; what are their needs and what do they want to hear. Your approach would be different when you have to do a presentation on a new medical invention to a conference of medical… More >>
Science and Technology – Definition by Real Life Examples
How someone could define what is Science and Technology?Science is search for the profound knowledge. Scientists investigate the world around us. They observe how things work and develop ideas about ways to make them work better. Sometimes they try to test an idea to explain how something works. Scientists perform experiments to find out how things work. The knowledge that they discover is useful for many things. It can help to build new machines. It can help scientists to develop new medicines or cure a disease. Technology is the use of scientific knowledge to create new things.Then what is an Inventor?An inventor is a person who creates a new idea or device to perform a task. An invention is the new technology created. An inventor with a new idea or design for an invention may decide to have the idea protected. The idea gets protection from the law in a paper called a patent. A patent prevents other people from making, using, or selling the new idea without permission from the inventor. Some inventions are simply a better way of doing or building something. They may improve an… More >>