Computer chips power toys and control nuclear reactors. They are in phones, cars and planes, getting us to work and keeping us safe. And they are at the centre of a growing tech war between the US and China, with many other players. Governments around the world are throwing money at industry and erecting barriers to trade, trying desperately to onshore a multitrillion-dollar global industry. This week Soumaya discusses the geopolitics of chips with Chris Miller, associate professor at Tufts University and author of Chip War: The Fight for the World's Most Critical Technology.

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Soumaya Keynes writes a column each week for the Financial Times. You can find it here

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