The astronaut suit is to protect from being sandblasted while sandblasting.

En Español

On Valencia between 18th and 19th today: sand. At very high velocity. A heavy metal stencil is laid over a section of concrete, then held in place and sandblasted with something that looks not unlike a very heavy-duty vacuum cleaner.

Lifting a stencil off a completed section.
Fine-tuning details. Someone has written “We are all Oscar Grant” in the bike lane.
Sand.

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H.R. Smith has reported on tech and climate change for Grist, studied at MIT as a Knight Science Journalism Fellow, and is exceedingly fond of local politics.

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