Oven gas stove included the AGA cooker invented in 1922 by Gustaf Dalén. The first electric ovens were invented in the very late 19th century, however, like many electrical inventions destined for commercial use, mass ownership of electrical ovens could not be a reality until better and more efficient use of electricity was available. More recently, ovens have become slightly more high-tech in terms of cooking strategy. The microwave as a cooking tool was discovered by Percy Spencer in 1946, and with the help from engineers, the microwave oven was patented. The microwave oven uses microwave radiation to excite the molecules
Invented tradition traditions.' But where does his 'adaptability', or his colleague Ranger's 'flexibility' end, and invention begin? Given that all traditions change, is it possible or useful to attempt to discriminate the 'genuine' antiques from the fakes?" Another also praised the high quality of the articles but had qualifications. "Such distinctions" (between invented and authentic traditions) "resolve themselves ultimately into one between the genuine and the spurious, a distinction that may be untenable because all traditions (like all symbolic phenomena) are humanly created ("spurious") rather than naturally given ("genuine")." Invented tradition The invention of tradition is a concept made prominent in the