Traveller's cheques and credit cards (American Express, Visa, Mastercard) are exchanged for Vietnamese dong at the banks. Cards can be used in travel agencies, hotels, and major restaurants. US currency is exchanged for Vietnamese dong and treasury notes in banks, exchange bureaus, hotels, and jewellery shops.
Nikola Tesla designed the first hydroelectric power plant at Niagara Falls, New York which started producing electrical power in 1895. This was the beginning of the electrification of the United States and the rest of the world. Today, Teslaâs AC electricity is lighting and powering the globe.
people think that j.j. Thompson discovered the electron in 1897, but nikola tesla has records of his discovery of negatively charged particles being responsible for electric c â¦ urrents years before Thomson discovered it. Give credit to where it belongs, to Nikola Tesla, the best and least recognised scientist in the world.