Here’s a brief inventory of the things I’ve loved in San Francisco…

Elon Musk’s ‘Hyperloop’ project is s high-speed ‘train’ that hopes to eventually replace America’s old (and extremely slow) rail system.  Initially Musk talked about the Hyperloop trains going 700 MPH, and getting passengers from LA to SF in under 30 minutes.  But currently the train cars in his ‘test tube’