Huge Variety of Usual and Unusual Laptops
EEG and EKG machines are not perfect. In one study EKG machines showed a heart problem in healthy people 20 percent of the time. Sometimes in a room with more than one EKG, one machine will read the electrical leaks of another. In another study a researcher hooked up an EEG to a mannequin whose head was filled with lime Jell-O and the EEG found signs of life.
