This article gives a brief historical review of the evolution of power electronics over the past 100-plus years. It includes electrical machines, mercury-arc rectifiers, gas tube electronics, MAs, power semiconductor devices, converter circuits, and motor drives.
Gender Prediction Test. Intelligender is an at-home gender test that uses a urine sample from the mother. It can be given as early as 10 weeks into pregnancy and as late as 34 weeks. It is done completely at home. Laboratory tests have proved over 90 percent accurate, with at-home tests proving up to 82% accuracy.
You can now take the HIV test at home. However, home testing is not for everyone. The U.S. Food and Drug Administration (FDA)-approved HIV home tests are as accurate as the antibody tests done in doctors offices and health departments, and they use the same ELISA/Western Blot/IFA tests.