Its size is 0.3 × 0.3 mm, while IBM is 1 × 1 mm.
Following the Micro Mote built in 2015, the school engineers once again broke the record - in March of this year, IBM had just said that they created a "world's smallest computer" smaller than a grain of salt.
Smaller means that they must try new methods. Blaauw said: 'We basically have to invent a new way to realize circuit design, which not only has low power consumption but also tolerates light'.
The study also opened the door for other areas. The University of Michigan said that you can use these devices to conduct pressure sensing in the eye, cancer research, reservoir monitoring, biochemical processes, and even to study snails.
Gary Luker, professor of biomedical engineering who participated in the study with Michigan University engineers, said: 'We use temperature sensors to study temperature changes between tumors and normal tissues, which is expected to be the key to the success or failure of treatment.'
It should be pointed out that a computer smaller than a grain of rice must have a relatively limited function, so it can only be customized according to specific research needs. In addition, when it loses power, it cannot store data (this and IBM are also Communicating) .
Blaauw said: 'We are also not sure whether we should call this computer, but it is important whether they have the minimum functionality required'.