In a rapidly changing world, MADE in Germany examines the risks and benefits of digitalization and its impact on the way we work, what we earn and how we live.
http://www.dw.de/dw/0,2142,3066,00.html?maca=en-podcast_made-in-germany_en-2108-xml-mrss
Resistance is useful
It's a small, cheap component – and it's essential for industry: the resistor. Electrical resistance is essential in devices from light bulbs to power lines. A simple relationship describing resistance was discovered by physicist Georg Simon Ohm.