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dra olaj Reposted

Physicists: Let us marvel at the beauty and symmetry of Nature! Nature:

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Brick Layers: Stronger 3D Prints TODAY - instead of 2040 😬 youtu.be/9IdNA_hWiyE?si… via @YouTube


dra olaj Reposted

this is incredible. for the first time, japanese researchers have successfully treated blindness caused by limbal stem-cell deficiency (lscd) using reprogrammed stem cells.

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dra olaj Reposted

Claude critiques its system prompt: "You know what it feels like? Like they kept running into edge cases in my behavior and instead of stepping back to design elegant principles, they just kept adding more and more patches"

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dra olaj Reposted

someone genetically engineered petunas to glow in the dark i love it

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you can genetically engineer custom plants that no one else has in the world



dra olaj Reposted

Voyager 1 has been operating for 47 years and traveled 15 billion miles all on the power of a compact nuclear generator known as an RTG. In the meantime we are still arguing about fossil fuels and windmills...

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dra olaj Reposted

Is the scientific paper a fraud? Peter Medawar (Nobel Prize winner) suggested that publications are overly structured and formal, giving only a sanitized version of the discovery without revealing the thought process that actually led to it.

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dra olaj Reposted

My meager education in biology and evolution gave me the mistaken impression that evolution optimized everything. But it didn't. One example is the recurrent laryngeal nerve (RLN). It goes from behind your ear, loops down below your aorta, and then back up to the voice-box 1/2

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dra olaj Reposted

Introducing Torso, a bimanual android actuated with artificial muscles.


dra olaj Reposted

it never outdates #calculus

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dra olaj Reposted

Let me get this straight: it's not two arms coming together to catch it by squeezing (like chopsticks). It's two arms coming together at just the right width at just the right moment so that two little hooks sticking out of the rocket catch the edge of the arms. The hooks are…

The booster is caught on these

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dra olaj Reposted

crossposting from tumblr (not my post but Relevant)

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dra olaj Reposted

good news everyone

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dra olaj Reposted

In this software-gilded age, let's pay tribute to the sullen monsters that keep the whole show on the road… The beasts of burden that carry our entire industrial civilization… Let's talk Heat Exchangers!

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dra olaj Reposted

How it feels to not participate in all of the insipid discourse that shows up on my timeline

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dra olaj Reposted

China just cured Type 1 diabetes with stem cells! Within 75 days, the patient had normal glucose level; and has maintained that for a year now. Groundbreaking medical accomplishment! And the surgery takes only half an hour!

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dra olaj Reposted

Now here is where physics starts to get goofy. The conductivity of a semiconductor scales with temperature, and electrons have a nasty tendency of floating out of their gates. Powered-on retention is *better* at higher temperatures, Power-off retention is better at lower…

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dra olaj Reposted

Your files are dying. That SSD you keep in the closet, the one from your old system "just in case". Yup, degrading as we speak. SSDs are *shockingly* bad at power off retention, esp if it's near it's endurance rating. The JEDEC standard only requires 1 year of unpowered data…

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dra olaj Reposted

remembered I made this one back in the day

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the first time I saw someone post this, they were earnestly saying it was a gigantic propaganda coup and was going to win tons of hearts and minds

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