I have read that Turboprop engines used in aviation are jet engines whose output shaft drives a propeller. What are the advantages of using a prop rather than a standard turbofan style of jet engine?...
Why is the Port we drink today sweet and not dry? I'm told that the origins of Port lay in the Napoleonic wars. Supplies of red wine from our usual retailer were cruelly interrupted while we shot at...
One for the industrial chemists out there. I'm wrapping presents with lots of sticky tape and I'm wondering...How come the glue sticks like crazy to one side and not the other..? Obviously...