№ 1 Hydrogen Powered Car

The idea came from the fear of consumption of all the useful crude oil fuel present in our earth. This idea took its birth in 21^st Century; attempts were produce internal combustion engines capable of doing cracking of water and produce Hydrogen following which is to be used as a fuel for useful purpose. The cracking of Hydrogen is not as simple it looks. In our secondary classes we have learn in basic chemistry course that water can be cracked using platinum electrodes and in the presence of Sulphric acid as an electrolyte, producing one mole of Hydrogen gas and two moles of Oxygen gas. Scientists and Chemists use the same principle to crack the water and produce hydrogen but the process is way too expensive and unstable. Once we made an engine capable of cracking Hydrogen then the cost and necessity of fuel will go down and most important our energy crisis will come to an end.

Topic 76. Famous Ukrainian Scientists

Outstanding People of Ukraine

In the history of humanity there have always been peo­ple whose actions and ideas produced a great impact on the lives of other people. They have made a great contribution to our country. For this reason they are called outstanding.

There are a lot of outstanding people in our country. They are scientists, musicians, experienced and skilled workers of medicine and education.

Volodymyr Vernadsky, for example, was the first presi­dent of the Ukrainian Academy of Sciences. He was born in 1863. Volodymyr Vernadsky was the first in our country to introduce the spectral method for the solution of geochemical problems. He developed special study of the composi­tion of the Earth's crust, the ocean and the atmosphere. Volodymyr Vernadsky was the founder of the modern doc­trine on the biosphere. His findings greatly contributed to the world science.

Yevhen Paton was another great scientist. He was born in 1870 in the family of a Russian ambassador and received his education abroad. In 1904 Paton moved to Kyiv to work and teach at the Kyiv Politechnical Institute. He was a professor and the head of the chair for nearly thirty years at the Institute. Yevhen Paton was the first to apply electro-welding in bridge-construc­tion. Under his guidance a welded bridge was built across the Dnieper river in Kyiv. It is now known as the Paton Bridge. It is 1,5 km long. In 1930 Paton organized the Research Institute of Electro-welding at the Academy of Sciences.

Nowadays the Academy of Sciences of Ukraine includes many outstanding scientists and research workers famous for their discoveries. Great success has been achieved by the Paton Research Institute of Electric Welding, the Re­search Institute of Cybernetics, Superhard Materials and others.

Vocabulary:

humanity – людство ambassador – посол

impact (influence) – вплив to apply – застосовувати

contribution – внесок electro-welding – електро-зварювання

outstanding – видатний bridge – міст

scientist – науковець discovery – відкриття

experience – досвід to achieve – досягати

Earth's crust – земна поверхня success – успіх