Ear pain due to mask
Constantly wearing a mask causes ear pain. To alleviate this problem, one plastic stick was made in which the cord of the mask corresponding to the size of the head can be stretched. The weight on the ears was removed due to this bandage and it became easy to wear for a long time.
Link: Transmission electron microscope used to detect the infectants (or virus) which has a resolution for the size of up to 0.2 manometers. Pixi-2 camera to sense the image of a particular virus. Can detect any virus or bacteria or any other micro- infectants in a very short time without too much of human involvement.
Problem Scale: Around the World