alternating current

The invention of hydropower, X-rays, Tesla should have long been recognized
Tesla is probably the great inventor that you haven't heard of in a long time.
Edison's controversial experiment shocked the world because of human cruelty
To protect his views, Edison performed a nine-elephant roasting experiment.
Why are there differences in the use of 110V and 220V voltages between countries in the world?
Our electrical and electronic devices in Vietnam market are often used at 220V voltage.
Tesla predicted the introduction of smartphones since 1926
World-famous scientist Nikola Tesla predicted the birth of smartphones (smartphones) since 1926, nearly a century ago.
From the book boy becomes the genius scientist of humanity
Not only is the genius scientist with great inventions, before his death, Michael Faraday also left for posterity, especially young people, precious advice.
8 great inventions were once looked down upon
No one can deny the feature of television, light bulb, car or computer ..., however, scientists have mistakenly identified their role and importance.
7 famous inventions were initially badly criticized
The aircraft used to be a scientific toy, the original telephone invention was also considered a children's toy ... but today is an indispensable thing in human life.