How MagRail could upgrade the railways

There has been controversy over railways in Britain this week. About half an hour ago Prime Minister Rishi Sunak scrapped parts of HS2, the country’s already rather modest second high speed rail connection. Announced in 2013 and due for completion far away in 2040, it’s become an almost mythical project in its longevity and its infinite budget – currently estimated at somewhere near £100 billion.

For comparison, Indonesia announced the first high speed rail connection in the Southern Hemisphe...