One from the archives, so apologies for the low quality photo. But it's an amusing story. Some time ago I had an idea to install a cooking pot on the engine block of my trusty 2F Toyota landcruiser; I had never heard of the idea before so it made a whole heap of sense at the time and be as original as possible. In those days we referred to our walking trails as 'MouldBreakers" so the novel idea certainly had merit. Enter one long and convoluted discussion with old friend Beano later, and the design was done. Presto. An airtight pressure pot was mounted on the hot water line from the engine block to the radiator, so hot water was diverted into the pot on its way to the radiator to get cooled.
The more we went on safari, the more skilled we got at hauling out an assortment of hot snacks for sundowners or coffee breaks. In fact, I could work out a pre-dinner snack of pre-cooked chicken and veg ... it would take a drive to the airport to collect the clients, a return to the camp, and half way through a game drive to be ready to serve!
Lots of fun in those days. I doubt if modern scifi game viewers (or their warranties) would handle this. Rolling back the years.