District heating is a mature technology. Direct Use geothermal heat is the one I am personally most familiar with -- as a geophysicist. However "waste" heat utilization is a definite thing for people with mechanical engineering/heat and mass transfer training.
(Edited to add: there are several examples of public swimming pools being heated with Low T geothermal heat in the Perth metropolitan region of Western Australia.)
True. Chena Hot Springs [1]. They are famous in the "direct use" geothermal community.
A lot of the thermal energy is not used for electrical generation. Although a small portion actually is -- made possible by the \Delta T rejecting heat at a low annual average atmospheric T.
Most of the rest of the heat is used to run an absorption chiller to maintain the ice "palace" in the summer.
(This info might be slightly outdated. It was true about 2018 or thereabouts when I met the owner of the resort at a geothermal conference.)
I know this is off-topic, and likely to get me down-voted, but hey! I'll live dangerously for the sake of repeating a hilarious (to me) .sig in a now ancient Usenet post.
These //go.* commands always remind me of this:
"""
//GO.SYSIN DD *
DOO DAH
DOO DAH
"""
(Why yes, that is IBM System 360 JCL from circa 1975. Why do you ask?)
May peace be unto him, you, and the rest of your family.
When (if?) you feel ready, there is an organization [1] whose mission is to support siblings, parents, and grandparents of children who have died at any age. I have been heavily active with them since losing my only child 9+ years ago. I commend them to your attention. (Once again, when you feel ready.)
I just did a BOTE calculation for my iPhone (A17 Pro chip; GPU rated at 4 Tflops). According to the sales blurbage in TFA, the Cray 1 performed at 80 Mflops. (Yes, that is OBVIOUSLY not comparing apples to Apples -- pun intended). Unless I've dropped a decimal point, my iPhone is (capable of) 50,000 times the floating point speed of a Cray 1.
The doco mentions "left" and "right" mouse. I have the ctrl-click already mapped to right mouse on my trackpad. Before I take the plunge, how well does this work with a trackpad on a MB Air?