Template:Are You Sure/January 10

• ... that the Union ironclad USS Cairo was the first ship ever to be sunk by a mine remotely detonated by hand?

• ... that a musical electroplating ensemble is a musical group which uses electroplating technology to generate music?

• ... that computer scientist Donald Knuth contributed to the development of the rigorous analysis of the computational complexity of algorithms and systematized formal mathematical techniques for it?

• ... that Project Diana marked the birth of radar astronomy later used to map Venus and other nearby planets, and was a necessary precursor to the US space program?