At least 50 U.S. law enforcement agencies quietly deployed radars that let them effectively see inside homes, with little notice to the courts or the public.
"A cool tool is anything useful that increases learning, empowers individuals, does work that matters, is either the best or the cheapest or the only thing that works."
This is a the book form of what this thread intended to be. I bought two with the intentions of gifting one. Now that I had a chance to look through it, it will probably be my default item to buy for a gift on any occasion.
Driven by an obsession of how people record and recall memories, MCAD student Kirsten Camara designed the Analog Memory Desk, what could be the ultimate sketching surface. The desk has a built-in mechanism for scrolling 1,100 yards of butcher paper on rolls embedded in its legs, a sort of tablecloth of memory that records months or even years of random ideas, doodles, and coffee rings. The desk isn’t available for purchase, instead Camara released detailed blueprints through a Creative Commons license so you can build your own.
Reminds me of "roller boards" that we used for engineering drawings back before they were all computerized. Instead of butcher paper we'd have mylar on the rolls and we would tape the latest copies of all the drawings to it in order. Then just roll to the drawing you needed to make a change.