What we learned this week

The Science Museum has a new exhibition on climate change, sponsored by… Shell. Again. It’s as if nothing was learned from the last time Shell sponsored a climate change exhibition.

Last year I wrote about how Gravitricity are developing ways to store energy in falling weights dropping down old mine shafts. Their demonstrator project is now live, giving us a sense of what that looks like.

The weather forecast is a very ordinary thing, something you might check in the morning over a cup of...