Riding a bicycle is a great way to get some exercise and it lets you get from Point A to Point B without being too mean to Mother Nature, but the dreaded bicycle helmet can take the fun out of it, although it does help keep you safe in case of an accident. What if you could wear a helmet that was only present when you needed it?

Once upon a time ago, actual honest-to-goodness print photos that you could hold in your hand were everywhere, mainly because that was the only choice. These days, people are sharing pictures of their pets, their lunch, their duckface, everything. And there’s no physical proof anywhere because it’s all a bunch of 1’s and 0’s. Why not drag those digital images into the real world?

3D printing is becoming the trendy thing to do, but trivial things like eating and paying the light bill are habits that we’ve had for a lot longer so it seems like the idea of printing three-dimensional objects is kept from us because of the high prices involved. What would happen if somebody created a 3D printer that only cost $100? Well, that would be Peachy.