I love this. In fact, it's older age is a boon as it predates the hyper specialization that leads to none of us being able to do anything 'on our own'. This i

I love this. In fact, it's older age is a boon as it predates the hyper specialization that leads to none of us being able to do anything 'on our own'. This is practically a mechanical hackers how-to book -- The stuff you need to know to build stuff on your own.