He’s using magnets to interact with a tablet, and his idea opens up a lot of ideas for future tangible interfaces. Many tablets currently on the market have a very high-resolution, low latency ...

Make a guess and then try it. Explain that a magnet's force can even work through something else, like a piece of poster board. Hold the poster board at a slight angle, and then move a paper clip ...

Your MagSafe accessories might work for both iPhones and Android phones as the Qi2 standard expands its reach.