Heat pumps are all the rage these days, and for good reason, but it turns out that ancient Persians had ways of making and storing ice, long before refrigeration existed. Today, engineers are taking ...
Archaeologists in Cambridgeshire have uncovered a Roman-era cemetery containing a unique burial involving liquid gypsum. The central grave, believed to belong to a high-status individual, was found ...
Attempting to sell one of my ‘world’s best ferry designs’ in the 1990s to a local but prominent ferry company, the unhappy manager, known as GF, eyed me suspiciously. ‘You were here before trying ...