The umbrella that uses air to keep you dry
BBC Click's Spencer Kelly looks at some of the best of the week's technology - including an umbrella made of air and an apology from U2's Bono.
More at BBC.com/Click and @BBCClick, external.
BBC Click's Spencer Kelly looks at some of the best of the week's technology - including an umbrella made of air and an apology from U2's Bono.
More at BBC.com/Click and @BBCClick, external.