The Otoscope is a material that is best used for many purposes such as checking your temperature or checking your health rate. The Otoscope is made up of a silver metal mainly aluminum and a smooth cloth made of silk and natural rubber around the sides. The cloth is for its gripping purposes and for safety purpose. The aluminum part makes it easier to process the temperature rate produced off your body. The Otoscope is a type of device you can take anywhere. The device comes at a reasonable size and has many great advantages. The Otoscope can travel with an astronaut wherever whenever. This device checks temperature, ear health, nostrils and the mouth. This device will help to find out ahead of time if any illness or desease occurs. Any illnesses that may come along can be detected and treated ahead of time so that future Mars exploration astronauts can keep a healthy path. https://oto.cellscope.com/2013/08/14/the-brief-history-of-the-otoscope/ is a source of information.