Rather mysteriously, the flag-waving English are clearly of the opinion that Jerusalem is a patriotic hymn

I wondered about this when I was a kid attending Risca Town School in Wales in the early 60s & had to sing it in assemblies.

Then I saw an episode of Till Death do…

1. The gravatar is the wee thumbnail image above your name in the top left-hand corner of each comment 'box'.

2. You can assign a gravatar to your email address by going to:

http://site.gravatar.com

I assume the fact…

1. What is a gravatar?

2. How are they attached to comments?

The weird buzzing in the back of your brain is probably just extreme boredom...

But while I appreciate the efforts of all my big strong sciency men, physics has always produced a weird buzzing in the back of my brain that stops…

And don't feel all arts major-ish, Emma. Thermodynamics isn't difficult, I assure you. It's just very, very confusing...

Mind you, I won't be providing an explanation of entropy on the radio…

Andrew's query

Surely ... extraction of 100% of the *added* energy occurs when the temperature of the fluid is reduced back to the original ambient temperature?

seems to indicate some confusion in…

I think I see where your confusion lies, Andrew...

I have never felt so much like an arts major in my life...

Why You Shouldn't Invest in Perpetual Motion Machines

Oh look here, next thing you are going to tell us there is no such thing as "Dark Energy" – the latest and greatest thing in perpetual motion.

Is there nothing you Cantabs won't stoop to denying? What next, creationism?

I need moveable diagrams on my TV and a cutesy cartoon character to explain it all.

Well, it's not thermodynamics, but I thought this was a pretty good go at nuclear energy (episode 11?), it's split into two for YouTube (you can also download the whole thing as an MPEG…

I think I see where your confusion lies, Andrew...

I need moveable diagrams on my TV and a cutesy cartoon character to explain it all. If you could just whip that up please...

Though I might add you've finally laid to rest my youthful dreams of joining the ranks of engineers by inducing freak-out with a simple F.dx and the expression "mathematical proof". I shall now stick to a strategy of intellectual laziness through entrepeneurship whilst enjoying the…

Surely the working fluid contains a certain amount of [thermal] energy at ambient temperature. Energy is added as the temperature of the fluid is raised, but extraction of 100% of the *added* energy occurs when the temperature of the fluid is reduced back to the original ambient…

There is some debate about Blake's image of England's dark satanic mills. Some suggest it represented Blake's opinion of mechanical engineers, or the universities that housed them, or perhaps the churches where they, as hungry sheep, looked up and were not fed (Blake was a fan…

Surely the working fluid contains a certain amount of (potential) energy at ambient temperature. Energy is added as the temperature of the fluid is raised, but extraction of 100% of the *added* energy occurs when the temperature of the fluid is reduced back…

There is some debate about Blake's image of England's dark satanic mills. Some suggest it represented Blake's opinion of mechanical engineers, or the universities that housed…

And, of course, the First Law of Thermodynamics dictates that the burning of hydrogen can't produce more energy than was required to make the hydrogen from water in the…

http://easywatercar.com

I can honestly say that this website (by a company called Water4Gas) is among the biggest loads of mumbo-jumbo, pseudo-science, and unabashed bullshit that I have ever seen in my…

Yep, there certainly is a Part 7. Public Address Radio has been in re-play mode over the summer break (Dec-Jan), but will resume with new episodes at 5pm on Saturday, February 2nd, on Radio Live.

Part 7 will play then, with Parts 8-12 to follow...

Cheers,
David Haywood