xBlog: The visual thinking weblog
19th February 2007

Why do ice cream vans sound the way they do?

“Nothing sounds quite like an ice cream van, and this post on EM411 left me wondering how they work. This is what I found: ‘Early models consisted of a hand tuned Swiss musical movement (like a music box) fitted with a magnetic pick up and the amplifiers used radio-type valves. In 1958 reliable transistors came on to the market and efficient amplifiers were built to work directly of the vehicle’s battery…’”

posted in Sound design | Permalink | Comments Off

19th February 2007

On Permalinks and Paradigms…

“There are some things that become so ubiquitous and familiar to us — so seemingly obvious — that we forget that they actually had to be invented. Here’s a case in point — the weblog post’s permalink. I mean — let’s think about it. The problem was that a weblog’s front page is by far its most visited page. This is the page where everyone actually sees your content (or at least it was until the creation of RSS feeds). But it’s not possible for someone to effectively bookmark or link to that particular entry on that page, because shortly it will scroll off the bottom.”

posted in Web development, Weblogs | Permalink | Comments Off