Wikipedia - R100
Nobody remembers the airship that competed with the R101, but it successfully made a trip to Canada and back. Nevil Shute - who worked on it, as an engineer - wrote a book about it, and Barnes Wallis worked on it.
Paul Mison's random stuff that doesn't go elsewhere. Is it microblogging, or microactivity?
(Previously known as 'tumblr is my sock drawer', for reasons that are somewhat unclear.)