On a cold February afternoon in Manchester, queues of concert-goers are braving the elements outside Co-op Live, the UK's largest indoor arena.
Mandatory registration creates friction and barriers to entry, particularly for:
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"To properly advance this critical technology to be able to support a future lunar economy, high power energy generation on Mars, and to strengthen our national security in space, it is imperative the agency move quickly," US transport secretary Sean Duffy, who was appointed temporary head of Nasa by President Donald Trump, wrote to Nasa, according to the New York Times.