In 1646, the first patent to protect the innovation of the sawmill was issued to _____. {Ans: Joseph Jenks}What NASA rover is about to celebrate its 10th year of being on the surface of Mars? {Ans: Opportunity}You open a line drawing and zoom in very close to one area, but the image does not become pixilated. What was used to draw this image? {Ans: Vectors}Batteries are identified as what type of energy converter? {Ans: Chemical}The balance between which two functions of a camera will produce a perfectly exposed photo? {Ans: Shutter speed and Aperture}What type of radiation do mobile phones use? {Ans: Electromagnetic}