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Refracted thoughts

In the past, we learned from people we respected how to do refraction surveys. Now we have committees to tell us what to do.

Hooke, Newton and Peer Review

Peer review comes in for a lot of criticism, and University College London is trialling a different system. But historical precedents, going back to the early days of the Royal Society, suggest that it is unlikely to work.

Approaches to Macquarie

A recent paper by Brandon Shuck and colleagues has presented detailed information from seismic reflection lines in the vicinity of the northernmost segment of the Macquarie Ridge Complex. For the regional picture, gravity maps are hard to beat, but they must be used with care.

The starry sisters

Historically, women have always had a hard time breaking into science but two women, both sisters of astronomers but separated in time by 150 years, did manage it.

Magnetic memories

In 2020 the Geological Survey of Australia’s Northern Territory had published a full-colour magnetic map of the whole of their area, with accompanying grids. For me, a trip into the days of my youth, because in mid-1964 I was party chief of a team flying part of a feature centred on Tennant Creek that had come to be known as the ‘Aeromagnetic Ridge’.