Idk, but it really sounds like something that could be possible in a future. Sending matter sounds difficult since the mass problem but electric information has barely any mass (or it does not?) Something really difficult would be calculating the possition of earth in the universe in the past and sending a signal to a receptor in the past earth

Idk, but I’m sure that in at least 200 years genetical modifications will be accessible if everything goes fine. Probably it will apply to skin tone and facial features and there could be a strange variety of new colors or most people would pick whatever is considered ‘the best looking’ features in 300 years.
tbh the idea of having the choice of changing genetics sounds good, but it’s impossible to know what will happen in 300 years.
At least that is what I think possible in the next 300 years.

The world failed to take action against climate change, now they’re going to be late to take action to the adaptation of civilization to a dangerous environment. Too late to stop climate change, it’s time to think about adapting to a new environment.