Yes you read it right. Students of Duke University came up with a ground breaking way to charge mobile phone or any other devices by harvesting energy from wireless Internet waves.
Middle ages is a long historic European period where many interesting things have happened. One of them is black plague and the other is dawn of the renaissance.What else do you know about the era?
Unity among the diverse nation can be achieved and the European Union can serve as a great example. Find out if you are familiar with some of the EU facts in this short general knowledge quiz.
