There are step-by-step photographed instructions for cooking risotto in the pressure cooker here: http://hippressurecooking.blogspot.com/2010/07/risotto-in-7-minutes.html
If you plan to cook the artichokes whole, first remove the other leaves, and open the center delicately to remove the choke. Then, put the steamer basket in your pressure cooker (if you don't have...
If you have a tower pressure cooker with weights on top...say you were making pea soup then half fill pan with peas and water, place the lid, place the weights on top, turn gas hob on full to you...
The universal gas law states that (pressure * volume/temperature) of a gas is a constant. Hence, if the volume stays the same (as in a pressure cooker), the air in the cooker can increase in...