Sure We’re Learning More About Brain Mechanics (But What Is Conciousness?)

“Focus on your current state of consciousness – your experience of seeing, hearing, feeling, thinking, willing, and so on – and ask yourself what kind of being this consciousness is, what its function might be, how it is related to the activity of cells in your brain, what could have brought it about in the course of evolution. Allow yourself to feel the attendant puzzlement, the sense of bafflement: now you are doing philosophy of mind.”

Will 3D Printing Change The World? (It Already Is)

“In many ways, the progression of 3-D printing from giant warehouses to living rooms has happened faster than anyone had a right to expect. 2-D printing was the exclusive province of industrial presses and foundries for centuries. Computers were refrigerator-size beasts for decades before the Commodore PET and the Apple II. And yet 3-D printers have gone from lab to living room in less than 20 years–and at prices that are already coming within reach of the upper-middle class.”