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Mogg in meltdown

It seems that Jacob Rees-Mogg thinks that the people who died in the Grenfell fire did so because they lacked common-sense, and that Andrew Bridgen, his apologist who has now himself apologised, thinks that Mogg would have survived because he is clever.

The magnetics of DC power

For magnetic surveys, power lines are a nuisance. Normal AC lines can interfere with magnetometer electronics if you get too close. But what about DC lines? Just forget about working anywhere near them.

Rose Atoll

On the 21st of October 1819, exactly 200 years before this blog was being posted, Rose de Freycinet wrote to her mother “Allow me, Madam, to inform you that the corvette Uranie discovered, to the east of the Archipelago of the Navigators, a small island that does not appear on any of the most recent charts ….”

The looters of Thomas Cook

In Atlas Shrugged there are three types of people who matter. There are the god-like ‘rational men’, whose every action is dictated by reasoned self interest, there are the ‘moochers’ who seek to be parasitic on them, pleading always for hand-outs based on their ‘need’, and there are the ‘looters’, who want much more and take action, sometimes violent, to ensure that they get it.

Pendulums and geology’s strongest gravity effect

There has to be a point on the Earth’s surface where the effect of geology on gravity is greatest. With the sea-covered areas unlikely settings because of the low density of sea water and almost all land areas now covered to some extent by gravity surveys, it is possible to say, with a fair degree of confidence, where that place is. It is on the largest of the Bonin (or Ogasawara) Islands, Chichi-jima,

An education

One result of the chaos created in the UK over the last few years by old Etonians (with some help from the alumni of other ‘public’ schools such as Dulwich and Durham) has been a renewal of calls for the dismantling of our dual approach to education,