TSMC expands US chip manufacturing in Arizona

The world's largest chip maker, TSMC - The Taiwan Semiconductor Manufacturing Company, has announced it will take advantage of generous US subsidies to build cutting-edge tech in Arizona. The Biden administration has committed more than six billion dollars in subsidies and five billion in possible loans to support the plan.Also, in the programme, the presenter Sam Fenwick finds out what it's like to experiencing complete darkness a rare total solar eclipse.