in fact, in practice they can even resist strong hurricanes making them an ideal item for coastal areas. get the breakdown on this energy-saving technology. careful choices must be made about how the spoons are spent; otherwise, they will be gone before the day is through. it takes several seconds to talk through all the information, so if you are in a moving vehicle be aware that the location is the one at the start of the announcement, which (depending on the speed) may be different from the location at the end of the announcement! 