Coloured Algae

This area was coloured by different types of brightly coloured algae which could survive in the hot water (up to 60°C), along with different minerals deposited there.

My latest blog post: Think for Yourself: In the end, everything is just an opinion. Be skeptical, and think for yourself! (posted 2026-04-25).

My latest podcast: OJB's Podcast 2026-04-14 How Far is that Star?

If you're not sure what to view from my site, here are some suggestions: My Latest Airshow Report, My Favourite Wines and Beers, An Interesting Astronomical Observation, See Some Photos, Read Some Mac Tips.

Site News (Mobile): OJB's web site, v 2.4 which has major changes, and possibly errors! Please report anything to ojb@mac.com.