Hello and welcome to the Intelligence on Economist Radio. I'm your host, Jason Palmer.

Every weekday, we provide a fresh perspective on the events shaping your world.

Engineers depend on what are called digital twins, computer-based copies of, say, an aircraft engine or a factory line.

They're good for spotting problems or testing possible solutions.

And now those same ideas are being applied to the human heart.

And much of Vienna's Jewish population was forced out during the Second World War,

including the city's unofficial royal family, the Rothschilds. Now a descendant from New York

is staking a claim to a Viennese foundation started by his ancestors, but then seized by the Nazis.

First up, though.

Despite the rhetoric, Britain's departure from the European Union on January 31st was the beginning, not the end of a process.

Today, both sides get together to begin discussions about a post-Brexit trade deal. It won't be easy. The British team numbers a hundred.

A conference center in Brussels is being used because the European Commission's headquarters

were too small for all the meetings that need to be held.

And the differences between

what each side wants are huge. The EU's main concern is that Britain will undercut it in areas

such as labour, environment or state subsidies. The UK cannot expect high quality access to the

single market if it did not prepared to accept guarantees that competition

remains open and fair, free and fair, open and fair.

Prime Minister Boris Johnson, who set a deadline for the deal by the end of the year, is pushing back.

There is no need for a free trade agreement to involve accepting EU rules on competition

policies, subsidies, social protection, the environment, or anything similar.

The deal is just one of many that Britain must now negotiate.

...