A #fact is a simple statement that everyone believes. It is innocent, unless found guilty. A #hypothesis is a novel suggestion that no one wants to believe. It is guilty until found effective. – Edward Teller
Starting in 1807, Sir Humphry Davy used electrolysis to discover a myriad of elements. He used this process to uncover what we now take for granted as potassium, sodium, barium, calcium, chlorine, and magnesium among others.
The electrolysis apparatus is used to demonstrate experiments in electrical charge/discharge and energy conversion. It features a main unit made of AS resin with fixed stainless steel electrodes, graduated test tubes (2), and a resin test tube holder. The compact design makes these units stackable for neat and easy storage.
If you’re looking for a suitable power source, it can also be purchased with the GENECON12 as a set to create the entire lab experience of separating water into its component gases.
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We know an engine can perform much more efficiently if it doesn’t need to accelerate and decelerate while switching gears. This is the purpose of the Continuously Variable Transmission (CVT) and is the reason it was banned from Formula One racing in 1994. It’s operation is so smooth and effortless it was thought to take the sport out of that racing pastime.
However, CVT’s are still used in tractors, snowmobiles, motorcycles, go-karts, Formula 500 cars, and a host of other transportation vehicles and machines.
The uses for a CVT listed above can be easily examined and seen from the inside out using the ND11068 – Continuously Variable Transmission (CVT) Gearbox Cut-Away from NADA Scientific. It allows you to engage the CVT through an electromagnetic clutch, forward and reverse insertion lever, primary pulley, secondary pulley, roller belt, final reduction unit, and a hydraulic command unit. It’s mounted on a stand with wheels and is operated manually by hand crank to allow you to determine the speed and monitor safety.
It’s been just over 131 years since Thomas Edison’s Edison Electric Illuminating Company established the world’s first investor-owned electric utility station on Pearl Street in New York City. On September 4, 1882, the Edison Illuminating Company switched on power to 59 customers in lower Manhattan, providing them with 110 volts of direct current (DC)!
Whether you’re a member of Team Edison or Team Tesla, we think both would agree that the GENECON12 is a fascinating tool to communicate the basics of how direct current works.
While it won’t power homes in your neighborhood, it will provide 12 volts of hand powered direct current with changing polarity depending on the direction you turn it. The GENECON12 produces approximately 200mA of usable current and when connecting one GENECON to another or to a low power source, it will act as a motor. That’s only one of 22 experimental uses!
Click on either of the pictures to learn more about the GENECON12 as well as other products from NADA Scientific. Receive a complimentary Adventures with the GENECON Activities Book ($10 Value) with your purchase of 1 or more GENECONS.
It is sad how fast tragedy strikes, and how long it takes to heel.
As I watch the news, I am reminded daily reminder that the oil clean-up is going to take time.
This month is going to be the month to see the planets. It depends when a person is able to look at the sky, to determine what planet they will be able to see. I am looking forward to observing: Venus before sunrise or sunset; Saturn in the late evening sky, and lets not forget Mars, Mercury, Jupiter, and Uranus.
News about renewable energy is everywhere. I’ve talked about it before in posts like Teaching Hybrid Technology. But the amount of focus and fervor devoted to this has grown. There were over 17500 articles referring to renewable energy in the last 24 hours alone (according to Google News). This is due to new technology, upcoming legislation as well as man-made disasters. The public’s consciousness of renewable energy is on the rise. And one of the ways people are expressing this is by buying and driving hybrid vehicles.
Hybrid engines combine electric and combustion to power the car, rather than just combustion. This means they are more environmentally friendly. Because at low speeds the electric engine is powering the car, they save on the consumption of fossil fuels. This has the benefit in term of carbon emissions. When the gas is not being used, the fumes are not being released into the environment. Their reliability and low emissions rate (not to mention higher gas mileage) mean that they are more popular than ever.
These hybrid vehicles are being used, and so they will need to be maintained. Hybrid engines have some different features than typical gas engines, as discussed above. Want to see what they look like? Check out our Hybrid Cut-Away Engine. This engine has been specifically cut to provide automotive technology instructors and students with the best view of the workings. (It is color coded to show the flow of liquids.) Here are a few sneak peaks (with more available on nadascientific.com):