These dust-sized sensors can be implanted within your body
In the future, our bodies will be full of tiny sensors continually monitoring our nerves, muscles and internal organs. That's what a team of engineers from the University of California, Berkeley, believes - and they've just built the first prototype.Each speck of their "neural dust" is just three millimetres long, with a 1x1mm cross-section....
I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark