Memory cards are getting smaller and more data packed worthy. But its also getting so small that its flimsy and prone to damage. Samsung has created a line of cards in metal casing that waterproof, shock proof and magnet proof for this.
The added physical security won't make the cards smaller or slower, but a little bit more expensive though. The SDHC cards are Class 10-rated and come in 8GB, 16GB, and 32GB capacities.
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