Writer, spousal unit, mama, grandmama. Learning, reading, music, science, art, pondering the sky, being near/in water, tai chi, ai chi. Lunatic since 7 yrs old.
Joined March 2009
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Five of these 15 guys walked on the Moon.
To prepare for landing on the Moon, in Jan. 1965, 15 NASA astronauts spent 5 days training on the Island of Hawaii to learn about its volcanic features.
Of the participants, Armstrong, Aldrin, Conrad, Bean, and Scott would go on to walk on the Moon. #NationalTakeAHikeDay
Diana Hadley retweeted
Lots of people remember Mitch McConnell's famous words when he kicked Elizabeth Warren off the Senate floor for reading Coretta Scott King's letter.
But you probably don't remember who the first person was to defend her...
#Persist #ProgressivesForHarris
Diana Hadley retweeted
Can we talk? This week, our story gets shared with the world. All of the research, fact checking etc… is done. Before you start seeing it, a few things:
THANK YOU for the concern & support for my wife & family. We still can’t quite wrap our brains around all of the people who continue to comment, or send messages of love & support. It’s a long road to recovery, & this is something we’ll carry with us for the rest of our lives. Especially my wife. I’ve been amazed at her strength as she continues to heal.
THANK YOU for sharing your stories with me/us. These early morning conversations have kept me sane. I’ve definitely had my moments, but I’m trying to keep it all together. Hearing your heartbreaking stories of loss have only made it more evident how much things have to change. Thank you. We hear you.
THANK YOU for continuing to use your platforms here, big or small, to share our story. As a lot of you have seen, there is A LOT of ignorance, and hate, in response to stories like ours. I now understand more than ever: We HAVE TO KEEP TALKING. Even in the face of all the ignorance and hate.
We never wanted to be here.
I never wanted to be here.
But… here we are.
We are here because of TEXAS ABORTION LAWS. Anyone who argues otherwise is part of the problem. I’m sure they will continue to spew their ignorant nonsense arguments, & I will CONTINUE TO TELL THE TRUTH.
I am hopeful that our story getting shared will have an impact. I am hopeful that it can/will inspire change. But the truth is, you never know with this sort of thing.
Regardless, I had to try. I couldn’t live with myself if I didn’t.
Whatever happens next…
Thank you. I love you. We love you.
-The Hamiltons
Diana Hadley retweeted
Sometimes you have to have a little fun in space and take advantage of microgravity!
I watch this the second time to see the cat again. Wonder how many potters end up with cat hair in their creations?
Diana Hadley retweeted
In theory, the prison should correct the convicts and thereby prevent the emergence of new crimes.
teapawt.net/ChannelInteres/s…
And in a Washington state prison, some years ago, they decided to conduct an unusual experiment.
As planned, for good behavior, prisoners were allowed to take cats for guardianship. An important point: these poor homeless animals were waiting for euthanasia, because they could not find the owners. Thus, the prison authorities decided to take them in.
As a result, harsh prisoners became calmer and kinder. Moreover, the convicts even began to work harder to earn new toys and sweets for their furry cellmates.
My spirit animal🤪 @Rainmaker1973 is a major reason I'm still on here.
Diana Hadley retweeted
It gives you a whole new perspective on time.
.@voxmediapods .@HC_Richardson .@jbf1755 Can someone explain WHY Now & Then podcast is ending? Drs. Richardson and Freeman, it does not sound like it was your choice? Thank you.
Diana Hadley retweeted
80+ armed officers, one helicopter, two mass arrest units, eight police cars, and 12 police motorcycles were ready to protect the NRA building from 22 empty school buses representing the 1,252 children that were shot and killed during this year.
Diana Hadley retweeted
The “brave NRA” looking like fools after shitting their pants when 23 empty school buses showed up at their headquarters. I guess they live in constant fear. Now we know how easy it is to get rid of them. @bradybuzz @AMarch4OurLives @Team_Enough @NRA @ChangeTheRef – at North Carolina, USA
Sorry I am late to the party, but when did (obvious) promoted posts no longer need to show that they were paid promotions? It is a rhetorical question, so no need to respond.
Diana Hadley retweeted
The start of a new school year is a great opportunity to create some fresh goals. I love sharing my lessons learned and will refocus my efforts on my own to-do list of things I still wish to achieve.
Diana Hadley retweeted
First video purporting to show flux pinning and full levitation. Tiny sample, but definitely promising! teapawt.net/andercot/status/168774…
First video of LK-99 Full Levitation, aka flux-pinning
This video was just posted to the Chinese video-sharing site BiliBili and claims to be a highly pure synthesized sample of LK-99.
What is the physical phenomenon behind this and what does it mean?
Levitation of superconducting materials is a phenomenon unique to what is called Type-II superconductors, and is an effect whereby magnetic field lines becomes 'trapped' as it passes through the material, providing the force needed to levitate. These are the popular images and videos of cryogenically-cooled discs floating above a magnet frequently seen online and in the pinned post on my profile.
You can think of this like strands of hair being caught in gum - the gum is suspended in mid-air by adhering strongly to the hair as the hair passes through it. The hair in this case is magnetic field lines and the gum is the Type-II superconductor. Just like hair comes in individual strands, or in other words hair is 'quantized' or 'discrete', so is the flux trapped at the 'pinning centers' quantized in what are called 'magnetic vortices' - the quantization of pinned flux lines is a key property and distinguishing characteristic of Type-II superconductors (although technically can occur in Type-I superconductors if the material thickness is smaller than the London penetration depth, which is indeed very small - specifics for the physics nerds out there).
Flux-pinning is entirely unique to superconductors and is also wholly distinct from the Meissner effect. It is not a property of diamagnets or diamagnetism.
At @TRIUMFLab I contributed to flux-pinning studies in Niobium crystal superconducting radio-frequency cavities used for particle acceleration. In that application, trapped flux poses an issue by increasing the remnant surface resistivity of the cavity, which has the effect of decreasing its effective quality factor or Q-factor, which is a measurement of a resonators efficiency. SRF cavities typically have Q-factors of 10E10 and trapped flux at pinning centers reduces the maximum effective accelerating electric field used to drive charged particle bunches close to the speed of light.
Flux pinning is thought to arise in some Type-II superconductors by small imperfections in the crystal, also called volume defects, that enable flux to penetrate the material. In SRF cavities an issue that arises is any magnetic field that is passing through the material, e.g. by the Earth's background field, can become pinned or trapped inside the cavity as it transitions into a superconducting state. See some attached plots in the comments from a study showing how the surface resistivity of SRF cavities increases the more there is a background field as the cavity transitions into superconducting state.
This is the first video I am aware of that claims to show the flux-pinned levitation of a LK-99 sample. If this is in fact what is happening, then it is a very unique and promising finding of this new materials properties and potential for future study.
If this is real then it is truly ground-breaking