This iPhone cover designer built a condom holding iPhone case. Called JustinCase, its from designer Chris Holder, and its got a sliding back cover that hides the condom in case you get lucky. It comes in several pastel shades, should the ladies too have a need for packing a couple of love gloves around.
For now the JustinCase is only a concept, so I suppose, you'll have to continue keeping your condoms in your wallets for now.
Wired has published a very nice feature on Kip Thorne and the science behind Chris Nolan's Interstellar. Kip Thorne is one of the world's most celebrated theoretical physicists. He and Nolan worked together to ensure depictions of scientific happenings in the film are as accurate as possible. Read more