dye

Or the time Si put chips on blue tissue paper to dry and it dyed them blue.

She says, “I cut the drop cloth into two panels, dyed them with fabric dye and then sewed them together.”

The common food dyes — blue 1, blue 2, green 3, red 40, yellow 5 and yellow 6 — have been linked to developmental and behavioral harms in children, according to the California Environmental Protection Agency.

Some battery manufacturers have tried adding bitter coating or saliva-activated dye to tip off parents.

The team then pumped water through the channel at various rates, along with colored dye to visualize the flow.