IN an earlier paper1, we have described a new type of interferometer which has been used to measure the angular diameter of radio stars2. In this instrument the signals from two aerials Ax and A2 (Fig ...

We've still got three months to go until we're reunited with Billy Butcher and co in The Boys season 5, though we're hopeful it will have been worth the wait. The upcoming chapter is set to mark the ...

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