Author of "1491" et al.

"ISRM is the world's largest free digital repository of all things concerning slide rules and other math artifacts."

"We connect everyone to the dynamic history, cultures, and art of Asian Pacific Americans through vivid storytelling and inspiring experiences to advance racial and social equity." An unusually inclusive museum in Seattle's International District.

Graphic representation of Indo-European language taxonomy by an interesting graphic novel artist.

Online archive uses open source software to publish material related to the internment of Japanese-Americans.

I could have sworn KUSC FM's Alan Chapman said that Voyager 1 was multiple light years away during his program on the morning of Monday, November 13, 2017. Ridiculous! But how far IS it? Turns out it's pretty easy to get a handle on that, and even for two different frames of reference: distance from the Earth, and distance from the Sun.

1947 War Department propaganda film dramatizes Nazi demonization of minorities to gain power. This is a tactic against which we can never let down our guard: not in the United States, nor anywhere else.

Online advertising = surveillance: a confessional essay by the inventor of the pop-up ad.

This website focuses the spotlight very tightly on a small Long Beach neighborhood rich with Craftsman bungalows.

An easily overlooked, bite-sized gem of a museum--if letterpress printing does anything for you.

A sentimental rationale for keeping EVERY photo, even--or especially--the bad ones. Just the way I handle my Flickr account!

Urban exploration blog aspiring to some kind of central status. Fager maintains an impressive companion Flickr photo stream.

A long shot potential repository of wikiGong archives. I'd enjoy visiting, though. Who could resist the promise of the architectural toy collection?

Of interest in part as a potential recipient of wikiGong-created archives. See http://www.californiahistoricalsociety.org/research/about.html for acquisitions policy.

An Internet Archive subscription service allows users to curate their own cultural archives, hosted by Internet Archive infrastructure.

More digital archives than you can shake a stick at.

Potential source and repository for locally oriented wikiGong projects.

A story recently told on "Cosmos," about how Clair Patterson was assigned to make measurements which would all calculation of the earth's age, and ended up playing a critical role in the fight against leaded gasoline--in Patterson's own words.

The "five-foot shelf." Or is it the "four-foot shelf?" Let's call it the "n-foot shelf." John Siscoe reminded me of these workmanlike translations of Greek and Latin classics (with original text on the facing page).

Public domain images.

Whippersnappers with an old school, Filson-style sensibility. I hope they prosper and flesh out their line of products. It's about the journey, not the destination.

Getting this architect's recollections online is a Mark Hammons project.

A little historical perspective always earns my respect!