chr

   Then, the ejected debris that created the canyons likely soared over the lunar surface and then collided with it at speeds of about 2,237 miles per hour (3,600 kilometers per hour).

Oddly adding a veil of precision to an estimate of a kilometre per second.

chr

पिछला वर्षdiscuss

Climbing may require concentration, try indoor autobelaying. It requires effort to think about anything but the next move. Perhaps that will start you on growing back the ability to focus.

chr

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@mauvehaus, with your idiosyncratic spelling of emacs as "eMacs", you put Stephenson in a bad light. He knows how to spell. And edit.

chr

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You may well be aware that there is an external keyboard from Lenovo that mimics the Thinkpad keyboard: "ThinkPad TrackPoint Keyboard II"

Then there are mechanic keyboards with trackpoints from Tex in Taiwan: https://tex.com.tw/collections/all