In the Vinony graph
Within Vinony's link graph, RHR connects to right-hand rule, heart rate and Ryan Hunter-Reay.
Its subject is documented across 5 Wikipedia language editions.
~1 min read
Encyclopedic overview
RHR may stand for Rabbis for Human Rights Radical History Review, a journal Right-hand rule Rohr, Inc., former NYSE ticker symbol Rolling hairpin replication Resting heart rate Ryan Hunter-Reay, American race car driver Residual Heat Removal System, a shutdown and safety system in nuclear reactors
Excerpted from Wikipedia’s “RHR” article, available under the CC BY-SA 4.0 licence.