Mark Denny

I'm a science writer, and my books explain how things work.

Technical Papers ----------------------

A number of readers have asked to see more of the math analysis that underpins my books. (Math makes most people's toes curl, so in my books I either keep it to a minimum or put it in endnotes.) For those of you who crave more, here are the details of some key subjects in the form of technical papers--these constitute much of the research that went into the books.

Bows.pdf 

Clocks.pdf 

Bats.pdf 

Trebuchet.pdf 

Waterwheel.pdf 

Swords.pdf 

Fly Ears.pdf 

Albatross.pdf 

Building collapse.pdf

And here is a link to a talk I gave recently in Genoa (the talk is drawn from Engineering Animals):

https://www.youtube.com/watch?v=NAPaFVvmlpY