The physical common sense in the life is shared

Stethoscopic: There is some of sound that the organ announces inside the person's body, when the hair unripe pathological changes such as heart lungs, tracheal, stomach, the noise that the organ announces can be changed somewhat on certain feature, doctor course is stethoscopic can listen come out, come according to this diagnose state of illness.
The lens after view: The lens after the view outside car cab is a convex lens. Use convex lens is mixed to effect of disperse the internal heat with sudorifics the characteristic of Cheng Zhengli, contractible, virtual image, the sundries decrescent that makes see, investigation range is bigger, and ensure drive a vehicle is safe.
Hardware Storage Rack: Plastic Hardware Storage Rack is clingy go up in metope when, the air between plastic acetabulum and metope is squeezed to go out, air intensity of pressure presses plastic sucking disk closely on metope. After hanging the dress or satchel, the attrition power that plastic acetabulum and metope produce, in order to balance the gravity of the dress or satchel, can hang the dress or satchel so.
Choose china: With hand or china of other goods clap, through noise can the stand or fall of differentiate china. Of the noise that announces as a result of crannied bowl, basin tonal far poorer than normal china, the course is tonal this can choose bad bowl, basin to come out, still use divisional accent actually of course, investigate the method such as appearance, but principal still distinguish through coming tinnily.
The situation of a disaster that monitor: The course monitors infrasonic sound wave to be able to know the news of earthquake, hurricane. Because infrasonic sound wave is frequency the noise under 20 hertz, the mankind cannot be heard. If a few natural disaster are earthquake, volcanic eject, hurricane accompany those who have infrasonic sound wave to happen, the infrasonic sound wave that transmits through monitoring can get the information of certain and natural disaster.
The window before the car: Outside removing large passenger car, of great majority car before the window is askew. When the car before when pane is askew, the passenger inside the car resembles be in via what glass reflexes of the car before upper part, and the pedestrian on the road is impossible to present the aerial in upper part, such the passenger inside the car resemble going up with the road person take leave of leaves come, the driver won't appear psychedelic, because flat looking glass becomes like form accomplish sth to carry,prevent.
Smooth linear transmission: Solar eclipse and lunar eclipse, alveolus is become picture
Smooth refractive picture: Chaliced chopstick can be bent up fold, the formation of a castle in the air
Smooth reflection picture: The inverted image in water, mirror

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