Gravity is actually a very weak force compared with the others, but because it interacts with everything, it builds up when you have a really massive object. (discovermagazine.com)
Since the 1970s, however, scientists have come to understand the strong and weak forces almost equally well. (scientificamerican.com)
These more recent proposals make extensive use of quantum technologies, from atomic clocks to weak force sensors. (epj.org)