Search results for “Charge distribution”

How does inductive charging work?

Current from the socket generates a magnetic field. This in turn induces current. As a result, the battery (in a smartphone, for example) can be charged via this magnetic field. This technology originated in the early 19th century. Author: ZDF/Terra X/Sabine Kemper/Martin Schaaf/Maximilian Mohr Tr

Giraffe species and distribution

In the 18th century, giraffes were widespread in sub-Saharan Africa. In the meantime, their habitat has shrunk considerably. Until 2016, only one species with nine subspecies was known. DNA tests, however, prove that there are four different species. Author: ZDF/Terra X/R.Marel/C.Gerisch/SpiegelTV/