"As a person who is enthusiastic about many of the benefits of driverless cars, I am sad to point out that, if Volvo's predictions are true, road miles per person will increase, blunting or undoing most of the benefits they expect."
"I'm wondering why the sharpening rig is not something that is brought over to work on the blade in-place – it seems wasteful to maintain the blade far away and at a different posture than mounted, especially since it needs such frequent work."
"Even if you have to buy the screws this isn't terribly costly. Taking the first snaps as a guide, he's got four numbers that fill a 14x20 grid, so 14*20*0.75*4=approx 840 screws. At McFeely's (not cheap) you can get 900 8x2 stainless wood screws for $7.35/100, or $66.15 for the project. That's a little over the cost of one letter.Your choice of font and screw type will affect the cost – Helvetica Neue Light, anyone?"
"This is the right answer. For treadles and other vertical linear--to-rotary motion linkages, you don't want the linkage to stop bottom dead center or you'll have to get a hand down there to push it away from center to get it started again. So the cranks curved to put its center of balance away from the line between its ends. Make a handful of cranks this way and you'll find them repurposed for other things, or representing the definition of a good crank..."
"It seems intended to prevent people from stacking things on top. This is becoming more common as processor power (and thus heat) increases and as marketing teams consider the value of being the most visible of many devices in the A/V "stack."Horizontal board in a non-horizontal enclosure – whoop de doo. The parting line (this thing is end-loaded) looks as sloppy as the reveal on the back panel, though they tried to minimize it in the photos."