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HOLMBERG: New NanoSeam an upgrade of Science Museum IMAX dome

This former train station on West Broad Street is 95 years old, but it’s about to become one of the slickest, most high-tech dome theaters and planetariums on the planet.

The Science Museum, which saved this stately old station  from demolition, added the planetarium and I-Max dome 30 years ago. It was super high-tech back then, and they’re spending the millions to make sure it stays that way.

They’ve brought in a crew from merry old England to pull it off – the same outfit that upgraded it a decade or so ago. This time, they’re going all out.

The old aluminum viewing skin – made of lapped panels that put little snags in the all-around view - has been peeled off. In its place will be panels with computer-shaped seams that will butt up against each other so snugly, the bowl-shaped inner surface will be virtually flawless once the show starts. At least, that’s the plan.

And that is the foundation for a brand new Digistar 5 fulldome 3D projector system so precise, it will be roughly twice as sharp as a good flatscreen TV.

It is due to debut in about two-months – March 15 – but you can get a taste of it by watching our video report here. Click here for updates on

Filed in: Mark Holmberg Reports


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