The most useful and strange gadgets at IFA Berlin 2014: intelligent cup, lenses for Samsung S5 and 3D printer

Here comes the cold. And with low temperatures, car batteries are sensitive. Perhaps in the future we will not have to change the car battery. We'll build home 3D printer: put an object, she scans the form and print it. It is able to copy bears, squirrels, but soon will copy everything. Maybe even us.
But while some inventors are busy changing the world, others are considering how to improve a selfie.
The Ollo Clip are well known for lenses that  make for mobile phones. But even owners of the Galaxy  S5 made available lenses for their phones.