We were seriously impressed by the projects you showed us last time, ranging from these awesome geek-themed alphabet blocks to fun with laser scanning microscopes. Now we want more.

Top image: Handcrafted geek alphabet wooden blocks — from Ada Lovelace to Zombies — from commenter Jonathan Guberman.

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What are you working on now? Either update us on the progress of the project that you showed us last time or tell us about a new project. io9 show-and-tell time begins now!

Image: 3D reconstruction of a segment of an axon fiber from commenter TimF101, who is using a laser scanning microscope to trace the fibers from their cell bodies to their terminals.