Others, meanwhile, did FOIL it and came up with an incorrect product, 3x3 + 15x2 - 4x - 20, as a result (instead of 3x3 + 10x2 - 29x - 20). Foiled by the FOIL Method (Opinion) ...

With a box, pushpin, aluminum foil and a piece of paper, you can capture the sun's reflection during the eclipse. Skip to content NOWCAST WISN 12 News at 10 p.m.

One method simply involves two sheets of sturdy white paper, a cereal box and another sheet of paper. The other supplies you need: tape and aluminum foil, scissors, and a pin or thumbtack.