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Rf reflectometry works by sending radio frequency signals into a transmission line and then measuring the reflected signals to obtain information about samples.

Rf Pistol Pete has been in the money in each of his two starts at Emerald.

Based on the Rf values, do the pigments look like they're the same in different types of red flowers?

Based on the Rf values, can you identify which dyes are used in the different colored M&M candies by comparing them with the known food coloring dyes?