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
The Gadget (novel) project in any detail, Stephen can tell by his haunted eyes and shaking hands how worried he and the other scientists are. After a few weeks, Stephen finds that he cannot control his insatiable curiosity. Enlisting the help of his new friend Alexei, Stephen devises a plan to discover the true nature of "the gadget." But when he finally learns what it is, he also realizes another startling truth—that he has trusted the wrong person with the information and not only his life, but the lives of all Americans, could be in terrible danger. The Gadget (novel) The Gadget is