Do financial instruments count as technology?

Re this, JB comments that showing any kind of relationship between financial and technological innovation is kind of hard, but rather liked this illustration – of what happens when you let an entrepreneur also run monetary policy. (When was Spain’s first bubble? Spanish Wikipedia is big on Anglo disasters, but doesn’t mention Spanish railways in…
A broker converting coin into MIssissippi stock in the Dutch print series, Het grote tafereel der dwaasheid, The great scene of folly.

Castells, for real

A mad, mad Japanese video, and a human ladder at the Muslim siege of Aleppo in 637.

Roman double testudo, from Potter <em>Archaeologia graeca</em>. I'm told that the optimal shagging angle for turtles is 30º, so this counts as deviant.

A West Cornish Barbary pirate and ghost-ship

“Discontented devil of a blackamoor, why canst thou not be satisfied to live here?” “Avast there; all our gold and diamonds can’t procure us here the bright sunshine and joyous people, nor the rich fruits and wine, of my native clime.”

Porthcurno, once Cornwall's greatest port?