Iran appears to be one. The Taliban in Afghanistan appear to be trying to establish one.
About the only "scientific research" i see there is research into how can steal or buy technology from other countries to make weapons.
By your standards of what constitutes an actual "theocracy", has there ever been one?
Israel.
Or haven’t you read the OT?
How about OUR modern theocrats?
Try those in the USA that people are so worried are trying to take this country back into the Dark Ages?
What preachers? What televangelists?
What American religious leader has stated that he would like to live back in the Dark Ages and have the rest of us do so as well?
Still waiting for some links and sources.