Researchers at Leipzig University and TU Dresden have succeeded in developing biological switches that can selectively turn ion channels on and off using light pulses. Initial applications show that ...

I'm not sure if this even exists, or if I'm overthinking it and there is a completely different/better way of accomplishing this. Here's the setup: I have a patio light controlled by a switch inside.

Researchers in the PSI Center for Life Sciences are working to enable medical intervention at the cellular level using light-activated switches: Oliver Tejero and last author Ching-Ju Tsai, Gebhard ...