Kolkata: The full dome 3D digital theatre at Science City has been upgraded. From the traditional lamp based projection device, it has transitioned to. Kolkata: The full dome 3D digital theatre at Science City has been upgraded. From the traditional lamp based projection device, it has transitioned to the Christie true RGB laser light sources. The upgradation was done at Rs 6.5 crore. These advanced... [2040 chars]
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