Mike Stewart] powers up a thrust meter from an Apollo lunar module. This bit of kit passed inspection on September 25, 1969.
The Vault is Slate’s history blog. Like us on Facebook, follow us on Twitter @slatevault, and find us on Tumblr. Find out more about what this space is all about here. These star charts were part of a ...
A new record of 20.6% held by KRICT/UniTest is displayed in the right section of the chart, ranking first in the large-area cell (200 cm²) category for perovskite solar cells. The sources of photos ...
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