"instead, main reason #3 for torx applies: It's a good-looking screw head that functions wonderfully, and for that reason, appears to be the new standard anyway."
"Yay another open ear plug design that will pollute train compartments with annoying noise affecting everyone but the one person who actually gets the music out of them."
""If I said, 150mm, they'd get out a ruler and look." uhm, I'm from a metric country and I can't relate. Must have been the people you were working with I guess."
"The gyroscope-stabilized monorail train has actually existed before. In principle that can work out. There are plenty of videos about it on youtube. https://en.m.wikipedia.org/wiki/Gyro_monorail"
"Because then you'd have, e.g., circumferences of 6 inch on one side and 152.4 mm on the other, meaning you'd need to do ugly calculations to come up with the total length when spinning for more than one revolution."
"Mh it's cool, but I don't get what's the real benefit. With all the added complexity to enable the coupling of the two vehicles I have the impression that giving the car it's own front wheel and steering unit would be about equally expensive. Albeit with the benefit of actually having two vehicles. Maybe if parking space is limited the combo is appreciated."