If you use refrigerator magnets or magnetic business cards to aid in your marketing efforts, it could be more convenient and cost-saving to print these items yourself rather than purchase them.

Magnetic graphene oxide sheets fold, move, sense motion, and switch function by swapping magnetic layers, offering a fast, reprogrammable platform for soft robots and other morphable structures.

It’s not called the infinity stapler, but we think it should be. This magnetic hack allows you to use a plain old stapler to fasten very large pieces of paper. The limiting factor has always been the ...