0168 – Found during recent site visits – Part 11 (19.528MB)

1 – lego ball – – One million piece, 3,000 pound, 1,000 assembly-hour, $2,000 lego ball fail.

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3 – New device allows brain to bypass spinal cord, move paralyzed limbs

For the first time ever, a paralyzed man can move his fingers and hand with his
own thoughts thanks to a new device. A 23-year-old quadriplegic is the first
patient to use Neurobridge, an electronic neural bypass for spinal cord
injuries that reconnects the brain directly to muscles, allowing voluntary and
functional control of a paralyzed limb.

4 – “tidal disruptions” (see details at end of this post if interested)

5 – Bus Driving 101 (done my way)

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22 – Vicki Lawrence on Mama’s Family tries the tassle spin (she admits it’s harder than it looks)

but finally gets the hang of it

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Thank you for viewing!!

Howard

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“tidal disruptions” details

When a star wanders too close to a black hole, intense tidal forces rip the
star apart.

In these events, called “tidal disruptions,” some of the stellar debris is
flung outward at high speed while the rest falls toward the black hole.

This causes a distinct X-ray flare that can last for a few years.

NASA’s Chandra X-ray Observatory, Swift Gamma-ray Burst Explorer, and
ESA/NASA’s XMM-Newton collected different pieces of this astronomical puzzle in
a tidal disruption event called ASASSN-14li, which was found in an optical
search by the All-Sky Automated Survey for Supernovae (ASAS-SN) in November
2014.

The event occurred near a supermassive black hole estimated to weigh a few
million times the mass of the sun in the center of PGC 043234, a galaxy that
lies about 290 million light-years away.

Astronomers hope to find more events like ASASSN-14li to test theoretical
models about how black holes affect their environments.

During the tidal disruption event, filaments containing much of the star’s mass
fall toward the black hole.

Eventually these gaseous filaments merge into a smooth, hot disk glowing
brightly in X-rays.

As the disk forms, its central region heats up tremendously, which drives a
flow of material, called a wind, away from the disk.

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