Time-lapse video of two dozen engineers and technicians successfully installing the package of science instruments of the James Webb Space Telescope into the telescope structure. These science instruments are known as the Integrated Science Instrument Module, or ISIM, and it's the collection of cameras, spectrographs, and fine guidance systems that help record the light collected by Webb's giant golden mirror. Also available on YouTube: https://youtu.be/AfzVEZGrMMw Credit: NASA's Goddard Space F