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CASEY HANDMER'S BLOG


SPACE, TRAVEL, TECHNOLOGY, 3D PRINTING, ENERGY, WRITING

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FUTURE OF ENERGY READING LIST

October 19, 2023February 8, 2024 cjhandmer

TL;DR: The future of energy is solar+batteries+synthetics. As of Oct 2023, the
global solar deployment rate is approximately one megawatt per minute. Over the
last 2-5-10 years this has become increasingly inescapable. As of October 2023,
this Nature Communications article reports some recent modeling showing most of
the transition will occur by 2027. Here follows a reading list organized by
topic for people who are curious to learn more. If you have recommendations not
on this list or suggestions for blog topics, let me know. My writing Solar Will
Keep Getting Cheaper, Radical Energy Abundance, and Applications (Oct 2023) Long
… Continue reading Future of Energy Reading List

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MARS TRILOGY TECHNICAL COMMENTARY

December 13, 2022December 25, 2023 cjhandmer

It is with some trepidation that I commence a project long anticipated and oft
delayed. The Mars Trilogy by Kim Stanley Robinson is, in my view, one of the
finest works of literature ever composed. I have read it three or four times
from end to end, in a both formative and conversational process whereby
progressively more layers of understanding burrow into my psyche. The usual
disclaimers apply. I don’t know how Mars settlement will actually progress,
though I have written a few blogs about space-related topics, including a
technical commentary on The Martian by Andy Weir. I have also … Continue reading
Mars Trilogy Technical Commentary

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BLOG SERIES: COUNTERING MISCONCEPTIONS IN SPACE JOURNALISM

August 17, 2019January 30, 2024 cjhandmer

As a lover of all things space I enjoy reading a wide variety of perspectives.
The more different the origin, the more likely I am to learn something new! Even
in articles which contain errors or elements of confusion, there’s still a good
chance that I’ll encounter a new way of thinking about an issue. Many posts in
this series and otherwise are now part of a book that is available as a
commentable Google doc and on Amazon. I have discussed aspects of this topic in
two appearances on The Space Show, as well as The Space Cave podcast, … Continue
reading Blog Series: Countering misconceptions in space journalism

4 Comments


HOW TO FEED THE AIS

March 12, 2024March 14, 2024 cjhandmer

As recently discussed on The Carbon Copy with Brian Janous, utilities are seeing
major forecasted demand growth for the first time in decades, and almost
entirely from data centers. These data centers are running the internet, serving
videos, hosting blogs … Continue reading How to Feed the AIs

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HOW MANY SCROLLS AWAIT DISCOVERY?

February 22, 2024 cjhandmer

How much ancient text might we recover from the library in the Villa of Papyri
in Herculaneum? How much was there to begin with? We know it was a huge
luxurious villa filled with exquisite art works. Before the printing press,
books were one of the highest value items one could own, especially on a
per-volume or per-weight basis. We know that the Epicurean philosopher
Philodemus lived and worked in the villa, probably to confer further prestige on
the site. If you were a rich Roman keen to flaunt your taste and patronage of
the arts, your library must be … Continue reading How many scrolls await
discovery?

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GLOBAL TERRAIN MAP OF MARS AT 7 M RESOLUTION

February 16, 2024 cjhandmer

I recently completed an AI-driven interpolation of the 463 m resolution global
MOLA altimetry dataset, using photoclinometry and the extraordinary 5 m
resolution CTX collage by the Murray Lab at Caltech, down to a 7.2 m resolution
global altimetry dataset. An example zoom over Jezero Crater with CTX imagery
for reference is given below. Starting with a field of view 1000 km wide and
resolution of 1 km/pixel, and zooming in 2x every image. The process of
generating this data is recorded in this X thread. Some technical details are in
this paper and this earlier blog. Credit to Balazs Zalanyi for improving the
algorithm, … Continue reading Global terrain map of Mars at 7 m resolution

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GENEALOGY ANCESTOR SEARCH USING MATH

February 10, 2024 cjhandmer

One from the archives, from an old (and not yet concluded) project to search for
the origins of my name. What is this graph and what does it mean? It’s a kind of
family tree, but the full explanation is below! Most genealogy is personal and
pretty boring so I’ll skip that stuff. Instead, I’ll write here about
statistics, which is comparatively interesting. My surname, Handmer, is rare
enough that everyone who has it (about 20-30 living people) can have a unique
URL. Previous family history efforts (before my time) sought some connection
with the slightly more common name “Hanmer” … Continue reading Genealogy
Ancestor Search Using Math

3 Comments


TERRAFORMER ENVIRONMENTAL CALCULUS

February 7, 2024February 7, 2024 cjhandmer

Originally posted on the Terraform blog. At Terraform Industries, we’re making
cheap synthetic natural gas from sunlight and air. Among the list of the
Terraformer‘s familiar attributes we include: In addition to these, it is
generally underappreciated that Terraform’s synthetic … Continue reading
Terraformer Environmental Calculus

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THE WELL-ROUNDED ENGINEER

January 30, 2024 cjhandmer

This post is a follow on from my blog on optimizing resumes and my blog
exhorting people to build more hardware! One part of my job running Terraform
Industries is recruiting, so I’m privileged to meet, screen, and hire some of
the best engineers who have ever lived. In my work life, I’m surrounded by
living, breathing technical encyclopedias who mostly build machines that fix
global warming but sometimes indulge my questions. Yet extraordinary engineers
are incredibly rare. Almost every week, I’ll meet someone with a great track
record and exceptional technical skills but there is a key area of … Continue
reading The Well-Rounded Engineer

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MARS HELICOPTER 2.0

January 30, 2024 cjhandmer

Mars Helicopter will fly no more. But there is work to be done and Mars
helicopters to do it! We should build dozens and then hundreds as serialized
standard spacecraft buses and run a global competition for the best instruments
to fly attached to this bus. A fleet of helicopters sent as a continuous
campaign every launch window is the best way to get on-the-ground data, over any
kind of terrain, that is vital to the search for life and to the next, crewed,
phase of Mars exploration. Why are we going to Mars? Of all the ~5570 known
planets … Continue reading Mars Helicopter 2.0

28 Comments


A VISION FOR THE ALLEVIATION OF WATER SCARCITY IN THE US SOUTHWEST AND THE
REVITALIZATION OF THE SALTON SEA

January 9, 2024 cjhandmer

Just a couple of hours drive east of Los Angeles lies the Imperial Valley, home
to Palm Springs, some of the most productive agriculture on Earth, and the
Salton Sea. Together with Los Angeles, this area uses over five million
acre-feet (MAF) of water from the Colorado River every year, a river whose flow
continues to trend downward due to the changing climate. For many years,
California’s approach to the problem has been to seek comfort from its senior
water rights and its outsized power compared to neighboring states, while
telling stories of managed decline and fallowing farms in both … Continue
reading A vision for the alleviation of water scarcity in the US Southwest and
the revitalization of the Salton Sea

48 Comments


ELON MUSK IS NOT UNDERSTOOD

January 2, 2024January 7, 2024 cjhandmer

Elon Musk is a divisive character. My intent here, as always, is to add some
nuance and signal to a noisy, complex and/or obscure subject. Whatever your
views on Elon, I feel that it is a worthy goal to move the conversation towards
more meaningful engagement, hopefully without painting too large a target on my
back. The problem is that 99% of the critique out there is not well-intentioned
and it’s not accurate, which means that most people simply lack the context they
need to understand what Elon is doing and why. This is a problem, because Elon
is a … Continue reading Elon Musk is not understood

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MARS TRILOGY: FALLING INTO HISTORY (PART 2)

December 25, 2023 cjhandmer

Part of the Mars Trilogy Technical Commentary Series. Contains spoilers for this
chapter and earlier chapters. Google Mars .kml. Literary commentary podcast. The
second half of this chapter picks up with John at Acheron just after the onset
of the global dust storm, marking a transition between the mortal
pre-terraforming pioneer characters in the first half of the book, and their
undying later selves coming to grips with their increasing technological powers
and the changing political state of the planet. I didn’t split this chapter in
two only because I’m lazy, but it really does fall neatly into two halves. …
Continue reading Mars Trilogy: Falling Into History (Part 2)


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