How did Harvard Mark I separate data and instruction? I have read the article in Wikipedia but I didn't understand how data and instruction was separated using a punched paper tape. It said ...
Is there any research on specific details of ancient/medieval blacksmithing related to microelements added via plants?
I have seen the following claim a couple of times before (all in Russian popular science type sources). However, I was never able to find historical OR scientific/technology research directly backing ...
During WW2 the German Army experimented with a sort of floating set of skis for water. In essence a kayak for each foot and a pole with a paddle on either end for balance and propulsion. (I have tried ...