Category Archives: Technology and Society

Putin’s Determination

“The crisis is not merely that Russia is invading Ukraine; it is that Russia is invading Ukraine in particularly reckless, destructive, and catastrophic ways. It is as if Vladimir Putin is an obsessed and abusive lover, determined to destroy what he cannot possess.

Ukraine And Space

Thoughts on the implications of the invasion, from Bob Zimmerman.

[Friday-morning update]

The repercussions of this for the space industry could be broad and unforeseeable.

It was always a mistake to make ourselves so reliable on Russian/Ukrainian hardware.

[Afternoon update]

Ukrainian invasions have affected our own space policies in the past.

As Jeff notes, if the Russians pull out of ISS, their human spaceflight program wouldn’t have much to do.

[Mid-afternoon update]

Yet.

[Saturday-morning update]

Eric Berger runs through the potential implications for space.

Recovering Rare Earths

…from recycling electronics and coal fly ash.

Whenever I see a breakthrough in processing like this, I always wonder how applicable it will be to space resources.

When I was at Rockwell thirty years ago, one of the projects I managed, with Ed McCullough (who died a couple years ago–NSS needs to update the page) and the late Bob Waldron was in adapting processes they’d been working on for beneficiation of lunar regolith to recover high-quality silicon and other things from fly ash. I guess it ended up not going anywhere after I left in 1993.