Looking at the stars through a puddle of mercury.

Summary

1. India, Belgium, Poland, Uzbekistan, and Canada involved.
2. Liquid mirror telescopes are cheaper than traditional glass mirror telescopes.
3. Limited ability to observe various parts of the sky as they can only point straight up.
4. Being used to detect supernovae and asteroids.

References

• Media Check: Popular Science - Media Bias/Fact Check PRO SCIENCE (HIGH CREDIBILITY)
• Collections |The Runway (airforce.gov.au)
• ADDITIONAL READING RAAF RUNWAY (PME)
• RAAF RUNWAY: RATIONALE, GUIDELINES, LEARNING OUTCOMES, ETC