We see more and more projects that use custom molds and casting materials. The latest is this custom seven segment display which [Ray74] put together. The idea of making your own LED displays ...

But watching a project shrink can be a real treat too, as early versions get refined into sleeker and more elegant solutions. This slimmed-down mechanical seven-segment display is a perfect ...

seven-segment display (Image courtesy of LXD, Inc.) In their natural state, liquid crystals line up with the orientation "rubbed" into the front and rear glass panels. The rubbings are microscopic ...