Show human M isi glass cage to T test est foods I 1 DD tha ALL my alre U 0 DETERMINE whether roast beet beef TO produces more energy in the human body than cabbage whether baked beans in tills this respect surpass potatoes and so on through a long list of foods the department of agriculture is conducting a se fieles ies of novel experiments in washington gron the instrumentality mentality being employed is a machine known as a calor weter and a human being who submits to the ator torture of being fed and sitting in a glass cage while the food energy Is recorded around the inside of theca the calorimeter t er which is a glass airtight air tight compartment part ment about the size of a small steamer stateroom runs a s system steni of pipes filled with cold water the tempore temper ture of the water is carefully noted nood the heat generated by the body in the he process of assimilating abo food causing the water to become warmer only one kind hind of food is given to the subject at a time one experiment requires several hours according to the time required to digest the food the experiments so far have been to determine the relative heat brodu cing energy of fatty and starchy foods several months will be spent in making the tests |