There are stages for most research. Cold fusion has 4. There is a fusion reactor mk I, II, III, and IV. You have to research it 4 times to finish it. It is not a bug.
_________________Headless wrote:
The ship ran out of gas, a group of Inergons got into the Romulan Ale, and there are Space Herpes everywhere. Help, I need allies!
viewtopic.php?f=7&t=9503 The 1.8 Adventure Update thread