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A very interesting example of relatively lesser-known scientific innovations. It is a surprisingly rare knowledge. In fact, it is one of the evidences scientists use to refute the claim of the moon-landing deniers.

It is also worth mentioning that this project has now been axed (in 2009 to be precise) as the mirrors have gotten dusty and no longer provide the same worth of scientific data they used to [1]. The above post was written in 2004, long before such problems surfaced.

[1]: www.guardian.co.uk/technology/2009/jun/21/mcdonald-observatory-space-laser-funding



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