On my visit to Europe this month I decided to use trains whenever possible. Here's what I learned. I took the following trains in Germany (Deutsche Bahn) and Poland (PKP): Hamburg to Flensburg. Berlin to Hamburg. Hamburg to Poznan. Poznan to Warsaw. All up, I probably spent about 20 hours on trains over the past few weeks, so I feel I've had enough experience to form some opinions — although I'm certainly not an expert. Good things about train travel • Trains are comfy and easy to use your laptop on ...

I was chatting to @thehusbandintow recently about whether air taxis (eVTOLs, or Electric Vertical Take-Off and Landing) have a real future. After thinking about this, I don't think I'm ready to fly in anything that can't glide to safety in the event of an engine / power failure. Planes and helicopters can glide. I'm not so sure about drones... so I'm on the fence on this one. What do you think? Would you fly in an electric air taxi? PS: Seoul will be trialling eVTOLs next year: ...