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Dr. Phil Metzger
@DrPhiltill
, 3 tweets, 2 min read Read on Twitter
Ultimately we opted to simply track them in real-time using multiple cameras and software to work out each vulture’s locations in 3D. The launch director had this “Bird Tracking System” that projected their trajectories along with a Go-Nogo launch decision updated continuously.
Also, we established the Roadkill Posse. It was tasked with cleaning up the roadkill at KSC to reduce the unnatural attraction of vultures. Some of my friends with PhD’s in science were put on the posse.🤦‍♂️ They were collecting dead alligators from dumpsters 🤷‍♂️, armadillos, etc🤦‍♂️
Watch this video of the Shuttle hitting a vulture on launch. If the vulture had been 3 feet to the right, it could’ve fallen onto the Orbiter wing’s leading edge causing “loss of vehicle, loss of crew”, a Crit 1 Failure.
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Dr. Phil Metzger
@DrPhiltill
A couple more fun facts about #Apollo11.

1. The famous boot print was a pre-planned science experiment. David Carrier recommended Buzz do it for a soil mechanics experiment. The vertical sidewalks and shiny flat surfaces proved the soil has high cohesion & lots of dust.
2. There actually is a crater in this picture under the engine nozzle, but it’s VERY shallow and it’s a ring, deepest ~1 meter away, less deep on the centerline. (In the lower right corner you see a 1 cm ridge stepping DOWNHILL away from the nozzle.) This was predicted. #Apollo11
3. The contact probe touched the surface when the Lunar Module footpads we’re still about 1 m up. Neil Armstrong was supposed to shut off the engine when it touched and freefall the last meter, but he chose not to. I can’t find the exact quote right now, but he said basically,...
Read 6 tweets
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Dr. Phil Metzger
@DrPhiltill
OK, this made me tear up. About 9 years ago (April 2010), my plume research made me realize we have to get NASA to publish guidelines to protect the #Apollo sites. I invited John Guidi of NASA HQ to fly with me in reduced gravity and we chatted it up during the flight. /1
2/ Here's a picture of John (left) and me (right) in one of the reduced gravity flights that week. The plane was giving us lunar gravity and we were studying how jets of gas blow lunar soil in those conditions. After the flight we went to a taco place in Houston...
3/...and I said we should write voluntary guidelines because time was of the essence and there wasn't enough time to make actual laws or regulations to protect the sites, and we were facing problems & roadblocks in potentially going to the United Nations. John said "let's do it!"
Read 13 tweets
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Dr. Phil Metzger
@DrPhiltill
I hope @paulvans doesn’t mind if I share this photo he took. (I added a 2nd photo of him in the Lunar Arena.) It’s an unspeakable honor to have such amazing people as these for colleagues & friends. Last night at this dinner it struck me hard how priceless they are. /1
2/3 From left to right in this picture are me, Dr. Leslie Getsch (perhaps the leading expert in off-Earth mining), Dr. Laurent Sibille (leading expert in making metal off-planet, and much more), Rob Mueller (NASA technologist and world renowned expert in space mining), and...
3/3...behind the camera is Dr. Paul van Susante (leading expert in space mining, off-Earth construction, and robotics). What reference could I ever have to value a dinner with these people who talk mind-blowing science, technology, and culture strategy as if it were ordinary?
Read 3 tweets

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CtrlSec
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📊#Time for monthly #stats

Good news! #ISIS activity on @Twitter decreased again in June: 7 195 new 🎯That's 12% less compared to May.
Again, 88% of these accounts were hacked: old, inactive, weakly protected.
They could easily be frozen in bulk. 😐

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Sarah Winnicki
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It is the N. American songbird breeding season, AKA time for my annual #bird & #birding PSA:

Don’t kill #cowbird brood parasite eggs/nestlings! It is illegal and likely doing more harm to your birds than good. How? Behold, a mega-thread: 1/37

[all media mine unless indicated] One blue Dickcissel and one speckled cowbird egg in a nest
Before I start, know I’m going to be citing lots of academic articles that are likely behind a paywall. If you want to know more about the articles and can’t access them please DM me! Science should be available to everyone, but that is an argument for another time. 2/37
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Roscoe B Davis🎖⭐️⭐️⭐️
@RoscoeBDavis1
So it appears @RepMarkMeadows and company have gathered enough evidence to suggest that the FBI, under the Obama completely ignored a major lead in the HRC email scandal, according to leaked transcripts of closed-door testimonies of several current and former bureau officials.
@RepMarkMeadows The ICIG Charles McCullough informed the FBI in 2015 that a forensic review of HRC’s emails showed anomalies in the metadata of the messages. The evidence in the metadata showed that a copy of every email HRC sent during her tenure as the SoS was forwarded to a foreign 3d party.
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FaceTheCuban© SirLRO🎈{Interactive}
@FaceTheCuban
...#Positivity is in each & everyone of us. Let it flow more often, makes a better day. #SirLRO
...#Positivity ~none said it was easy, all you have to do is one step at a time. I know you can, keep going. #SirLRO
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Sibel Edmonds
@sibeledmonds
#Khashoggi Case Thread: I am going to ‘pin’ this post to use it as an ‘Info Thread’ on the #Khashoggi Case. I am in #Turkey. I’ve been following the case closely and with access to sources & experts here. This is a very ‘sensitive’ criminal case due to ‘Diplomatic Booby Traps’!!!
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#Turkish Intel-Investigative Bodies also have the list of all Diplomatic & Private Saudi & “other significant’ Planes in #Turkey for the period of ‘interest.’ Many of the Target airports have their own security cameras & related evidence.
Read 335 tweets
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Connor Ratliff
@connorratliff
45 Days Of @ElvisCostello: a twitter megathread in anticipation of the Oct 12 release date of LOOK NOW, the new LP by Elvis Costello & The Imposters

This is either a bright idea or a brilliant mistake, but this is only, this is only, this is only the beginning...
I did something similar to this 5 years ago, in anticipation of EC & @theroots' Wise Up Ghost LP, on tumblr.

(You can still find all those posts if you look, although a lot of the YouTube links etc are now dead ends. It was 40 Days Of EC then, so for 2018 I'm upping it to 45.)
Mostly I will be going chronologically from the early years right up to the present, but it feels right to start out with Costello's 2002 song, "45."

Music Video directed by @jessebdylan


(There's an alternate "diner" version I can't find anywhere online)
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