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Inbisat Yousuf Nath
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NASA's "An Introduction to Tensors for Students of Physics and Engineering"
grc.nasa.gov/www/k-12/Numbe…

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For The Love of Control Systems
Episode 2
In Episode 1, we balanced a stick on a cart. That was control in 1D. We tried keeping something unstable from tipping over while the world pushes back.
Now, we lift the problem into 3D. A quadcopter must manage pitch, roll and yaw at the same time while following a demanding path. We hit it with gusts, change in payload in mid-flight and briefly we reduce its available flight authority.
The controller keeps redistributing thrust and torque in real time so that the craft doesn't spiral, drift or tumble, but instead track its trajectory with precision.
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Inbisat Yousuf Nath retweetledi
Inbisat Yousuf Nath retweetledi
Inbisat Yousuf Nath retweetledi
Inbisat Yousuf Nath retweetledi
Inbisat Yousuf Nath retweetledi

Excited to share our latest publication in Annals of MIRCE Science
Optical Observations of CZ-2C R/B 28222 and KSLV-II R/B 56750 Derelict Launch Vehicle Stages–Rocket Bodies
researchgate.net/publication/39…

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@jrflahertyrph @lymon5787 @awkwardgoogle Woah, that's awesome. I had no idea O- blood was so valuable for newborns. Gonna check out my CMV status now !
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@IYNBI @lymon5787 @awkwardgoogle Cytomegalovirus
If you don’t have antibodies against it, they can use your O-negative blood for newborns
I give regularly to the Red Cross, and they give me “Hero for Babies” swag, and the occasional gift card
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@lymon5787 @awkwardgoogle I am also O -. What's CMV, and how can i check it?
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@awkwardgoogle I’m O- and CMV-. I get $50 a pop at Carter. We buy gift cards with it for needy people in the community that come to our church for help. BTW, it’s true. We can give to anyone, but can only receive O- ourselves.
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