By the year 2020, thousands of kilometers of new grids will be operating in Germany to permit even more extensive use of power from renewable sources. However, these new “smart grids” also come with increased complexity, costs and vulnerability. Fraunhofer …

It may not sound like much, but spending $1.50 or $2.00 a day on a cup of coffee can add up. If you’re not a person to eat items off the McDonalds dollar menu everyday for lunch, eating out can …