Liberty Science Center is an interactive science museum and learning center located in Liberty State Park in Jersey City, New Jersey. The center, which first opened in 1993 as New Jersey's first major state science museum, has science exhibits, the largest IMAX Dome theater in the United States, numerous educational resources, and the original Hoberman sphere , a silver, computer-driven engineering artwork designed by Chuck Hoberman.

History
The museum opened Jim Gary's Twentieth Century Dinosaurs sculpture exhibition, an the exhibit on the ground floor. The museum's IMAX Dome theater is the largest in the United States. Liberty Science Center completed a twenty-two-month, $109 million expansion and renewal project on July 19, 2007. The expansion added 100,000 square feet (9,300 m 2) to the facility, bringing it to nearly 300,000 square feet (28,000 m 2). However the amount of exhibit space slightly decreased with the expansion as all the new space added is open space such as queue lines for the ticketing office. It also has state-of-the-art surround sound, and also one of the world's best picture screen in the IMAX dome. Liberty Science Center's exhibitions include:
  • Skyscraper! Achievement and Impact - the largest exhibition on the subject of skyscrapers in the world - with artifacts from the World Trade Center, a walk along an I-Beam two stories above the exhibition floor, an earthquake-shake table, a glass-Schindler 400A mid-rise Traction elevator, which is open to show how the elevator moves, the machine room, and the pit, and much more.
  • Eat and Be Eaten - this exhibit of life animals explores the predator- prey relationship, offering lots of live animals including deadly vipers, amazing puffer fish, and scores of other creatures.
  • Communication explores human communication in four areas"body and language; symbols, signs, and writing; print, audio, and video; and signals and networks. Here you can also do Language Karaoke, where you are taught to say phrases in a new language: Mandarin Chinese, Arabic, Spanish, or Cockney.
  • Infection Connection - helps guests understand how individual actions may affect global health issues. You may ride the IC Express, which shows a film about different types of infectious diseases.
  • I Explore - an age-restricted area, where guests under age six and their caregivers can explore aspects of the world around them through water play, a microscope, a large climbing structure, a street scape, and a rock xylophone - made from hanging rocks that ring like bells when struck.
  • Our Hudson Home - teaches guests about the wildlife and ecology of the Hudson River.
  • Wonder Why - holds many of the original exhibits from the earliest days of the museum
  • Energy Quest - explores different energy types and the technologies to harness these.
  • Wildlife Challenge - a seasonal outdoor exhibit in which guests can take part in a variety of physical activities, designed to simulate different animals' environments. Activities include balance beams, and a zip line accessible only to guests that can hold onto a rope for at least ten seconds.
  • Traveling Exhibit - Various exhibits on display. The first exhibit since the center re-opened was Islamic Science Re-Discovered. A recent traveling exhibit was Goose Bumps! The Science of Fear, where guests saw how they would react when they were exposed to creepy animals, loud noises, electric shock and the fear of falling. The exhibit explored why their bodies reacted the way they do. Liberty Science Center is currently hosting "Mammoths and Mastodons: Titans of the Ice Age" until January 9. This exhibit uses video installations, hands-on interactive displays, life-sized models and fossils to teach more about the extinct mammals. Between October 16 and November 10, the exhibit showcased Lyuba, the world's best preserved woolly mammoth specimen.


Criticism of expansion
The museum has received criticism for a perceived politicization of science, for example, by Edward Rothstein of The New York Times .

Jennifer A. Chalsty Center for Science Learning and Teaching
In July 2007, the new Jennifer A. Chalsty Center for Science Learning and Teaching opened. It is a 20,000-square-foot (1,900 m 2) facility extending over the entire former Invention Floor of Liberty Science Center, with six laboratories, a 150-seat theater, and other resources for teachers and students. Here educators can upgrade science teaching skills and find peers to help strengthen science instruction in the classroom, while students can participate in intense, multi-day or single hour programs to ignite interest and skills in science exploration.

Building Activity

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