New Process Allows 3-D Printing of Microscale Metallic Parts
Engineers infuse a hydrogel structure with a metal solution and then use heat and chemical reactions to leave only the metal behind.
Source: caltech.edu
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Wind Drives Geology on Mars These Days
An examination of the rock record of Mars highlights the importance of wind erosion in shaping the Red Planet.
Source: caltech.edu
An argument for why the lab-leak theory of COVID's origin remains unlikely – Media Nation
Last week I wrote an analysis for GBH News on why the media dismissed the Wuhan lab-leak theory as the origin of COVID-19. I argued that the lab explanation got caught up in Donald Trump's anti-Chinese racism and multifarious lies about the pandemic, compounded by some botched reporting of comments by Sen. Tom Cotton. So…
Source: dankennedy.net