In the case of dye-based cells, which were invented at the Federal Polytechnic School of Lausanne, in Switzerland, in the 1990s, the light is first captured by molecules of a photosensitive dye.

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Students in Joycelin Palacio-Cayetano's sophomore biology class at Polytechnic High School in Sun Valley, Calif. used Immex to investigate how genetic mutations occur.

FORBES: Instant feedback in the classroom

According to the California Innocence Project, the woman later admitted that Banks had not kidnapped or raped her during a consensual encounter at Long Beach Polytechnic High School, where Banks was a middle linebacker with a scholarship offer from the University of Southern California.

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Sir Irvine was born in Sheffield, educated at its Central Technical School and later went to Sheffield Polytechnic.

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The school, which is formally called Virginia Polytechnic Institute and State University, claimed that the first two shootings appeared isolated and related to domestic violence.

WSJ: Virginia Tech Is Liable in Shootings

The school has long had a presence through NYU Polytechnic and announced last spring that it plans to create an applied-sciences institute at 370 Jay St.

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Faculty said the school its full name is Virginia Polytechnic Institute and State University responded far more quickly Thursday than it did in 2007, when student Seung-Hui Cho killed 32 people before taking his own life in the worst campus massacre in U.S. history.

WSJ: Two Killed in Virginia Tech Shooting