Ways of seeing
What you see depends on how you look.
explanation
Learning and relearning
Surveys and telephones
Several things at once
Multiplexed astronomy
An example of answering several questions at once, by doing several kinds of observation at once.
Just like it sounds
Reforming English spelling?
Learning how to spell in English is difficult. Reforming the system would be harder.
Tradeoffs
In balance
Some actions are obviously good and right. Looking more widely, it may be less obvious.
Reading the script
Sometimes the answer is no
When finding nothing is something
In science, coming up with the answer is often the easy part.
The past in my pocket
Thruppence and history
Paying with physical money, especially pocket change, is going away. That will make future historians’ work harder.
