Monthly Archives: June 2009

A mechanical precursor to e-mail

By John | June 27, 2009

I read Molly Wright Steenson’s blog girlwonder on an irregular basis – she has lived in Italy, India and several other places – which is pretty unusual for an American, and she’s interested in modern architecture, various aspects of using the web, and design. Which are all things she blogs about.
She published a short [...]

Posted in Engineering, On the web | 4 Comments

“DRM” for camera batteries

By John | June 25, 2009

We’ve seen copy protection for CDs and DVDs; we’ve seen ink-jet printer manufacturers add chips to their cartridges to make it difficult or impossible to refill them with cheaper ink.
If you have looked at online suppliers, you will have noticed that you can order replacement batteries for your digital camera much cheaper than the [...]