Category: Science

February 4, 2014 / Photography

Cats have excellent night vision, because the pupils of their eyes can open up so wide, to let more light in. They can also see well in bright daylight because…

Read the PostFeline light metering

November 13, 2013 / Photography
February 16, 2012 / Astronomy

I wanted a solar filter for my camera, for safe observation and photography of the sun. Typically these filters have an optical density of OD 5.0, which for photographers is…

Read the PostMaking a solar filter

December 6, 2011 / Science

A friend of mine is a researcher in the field of chemical physics. This week, he invited me to his lab to take a photograph of his 5 megawatt laser,…

Read the PostFrickin' laser

April 18, 2011 / Photography
February 27, 2011 / Science
September 26, 2010 / Photography

Outdated medical technology isn’t normally the kind of thing I’d be interested in, or would write about – but I was given some old glass autoradiographic stripping plates. I didn’t…

Read the PostAutoradiographic plates

February 22, 2010 / Science

I spotted this article on the web earlier today, which discusses a possible cure for peanut allergies. But one particular section jumped out at me: The largest ever trial to…

Read the PostWhat about the other three?

December 23, 2009 / Gadgets

Some years ago, my dad bought me a book about electronics, computers and robots from a jumble sale for 10p. It was published in 1984 and probably about 15 years…

Read the PostThe house of the future

May 22, 2009 / Photography

For anyone who also reads my photo blog, you might have seen that I went out around sunset last night to see if there were any interesting photos to be…

Read the PostSunset