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54m
Astronomy on MSNMichael’s Miscellany: Aperture masksAn aperture mask is a simple device for easier observing that increases the effective focal ratio of a telescope.
Joining the satellite internet revolution? Some optional accessories will make your installation smoother. Here's a look at ...
3h
AZoOptics on MSNLight Conversion Tech to Power Wearable X-Rays for ChildrenLight conversion technology developed by University of Queensland researchers will be used for wearable X-ray technology that makes respiratory scans more comfortable for young children.
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