The tube is 20 inches long but only holds two inches worth of rain. Getting those precise measurements is possible because you have more volume to fill up, so reading to 0.01 inches, or one-hundredth ...
The same transient is shown in three surveys, with rows corresponding to Pan-STARRS (top), MeerLICHT (middle), and ATLAS (bottom). Each row presents, from left to right, the New, Reference, and ...
I spent a couple weeks with the Rokid Glasses and they have features you won't find in any of the Meta smart glasses -- if you're willing to trade style for substance.
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