Bacterial optical fibre helps shine lasers through murky waters
Less scatter neededGIPhotoStock/SPLBy Lakshmi SupriyaAdding a smattering of bacteria can help a laser beam travel further through murky water before it peters out. The finding could help us perform non-invasive medical diagnostics or image deep into tissue without causing any damage. The presence of particles in a liquid normally causes light to scatter...
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