On Aug. 22, Brooklyn Bridge Park will become the site of an epic interactive party that combines nature appreciation, science, and cool beats for a free dance-a-thon to light up One World Trade Center’s LED lights. Bill Nye “The Science Guy”, U.S. Secretary of the Interior Sally Jewell, and Questlove will be among the featured guests helping the National Park Service celebrate its 100th birthday. The high-tech party in the park is bound to go down as the hottest dance party of the century, and perhaps the most fun New Yorkers can have in one night without spending a dime.

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The festivities will kick off at 1 p.m. and the park party will be open to the public with no entry fee. Party goers will enjoy an ice cream social, multiple music performances, and opening remarks at 7:45 p.m. from the science guy himself Bill Nye, who will be acting as Centennial Ambassador for the Find Your Park movement. After comments from other park officials, when the crowd is good and ready to start the epic dance-off, DJ extraordinaire Questlove will take the stage to get folks moving on a dance floor that is actually a giant circuit board. For the next two hours, the movement of dancing feet will determine the colors of the One World Trade Center spire just across the river.

Related: One World Trade Center’s LED spires lights up with Super Bowl colors

It won’t be a random light show, though. The dance floor is actually the playing field for a game called “Edison’s Light Bulb,” which requires dancers to work together to form a certain pattern that reflects a current of electricity into an Edison light bulb. At that point, the current will turn one of five colors (red, green, blue, purple, or orange) and send a signal across the river to the operators at One World Trade Center, who will then light up the spire with the corresponding color for a truly memorable centennial celebration.

+ National Park Service

Via Brooklyn Heights Patch

Images via National Park Foundation