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Dr. Phil Metzger
@DrPhiltill
, 5 tweets, 3 min read Read on Twitter
I don’t speak Italian so I don’t know what it says, but I was interviewed here (starting 11:58) about lunar industry leading to...(wait for it)...
2/ ... “Moon Valley” (the next step beyond Silicon Valley, I guess, but I don’t know exactly what it says) 😅
3/ The Moon Valley animated graphics start at 14:05. (Master class on how to illustrate a news report.)
4/ but I wonder if that’s not original graphics, since (now I see) the video also has these graphics. @CJHandmer, wasn’t it you who created these?
5/ I love it! The video also goes into Shuttles. It is located right outside the gate of @NASAKennedy and we would go there for lunch.
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Dr. Phil Metzger
@DrPhiltill
A picture from the day I almost died laughing on a volcano. Literally, an intern & I almost died from laughing. We went to the summit at 14,000 ft to watch the sunset but forgot jackets. In one of the top 5 stupidest ideas in history, we thought we could go jogging to warm up...
2/ Here's the intern. Of course, when we began jogging we immediately lost our breath from the thin air & lack of oxygen. We were breathing so hard we were getting colder and colder, but we couldn't stop hyperventilating. Then we realized how stupid it was...
3/ Because we were already light-headed & dizzy from low oxygen we thought our stupidity was hilariously funny. We started laughing and COULD NOT STOP. The more we laughed, the more we lost our breath, the harder we gasped for air, the colder we got, & the harder we laughed...
Read 5 tweets
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Dr. Phil Metzger
@DrPhiltill
I want to explain the autonomy in this robot because it is amazing. First, they use LIDAR (laser radar) and an AI algorithm detects rocks in the signal. You can see the robot carefully driving around the rocks as it sees them. Second,...
2/...it uses an inertial measuring unit to detect if the robot has tilted by driving a wheel into a crater. When that happens it slows the drive speed way down to carefully climb out of the crater without slipping or getting stuck, then it speeds up again. Third,...
3/...it combines three sets of sensory inputs in a Kalman filter (a computer process), exactly the same as the Space Shuttle combined its Nav data, to figure out where it is (localization) and then decide where it needs to go (path planning). Fourth,...
Read 5 tweets
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Dr. Phil Metzger
@DrPhiltill
We have to flip the top layer of soil by shovel periodically to keep it loose like the upper layer of real lunar soil. On the Moon, impact cratering flips the soil, keeping it loose. We used to think the top millimeter gets flipped every 100,000 yrs, the top centimeter slower...
2/ but that was an estimate based on the influx of micrometeorites and larger impactors from space. It neglected the secondary impacts. Secondary impacts are the ejecta that get thrown out from another impact. Those also hit the soil and flip it over. When you account for that,
3/ it turns out the upper centimeter gets flipped every 80,000 years or so. Down to 30 cm gets flipped over millions of years because the bigger meteorites that can flip that deeply are more rare, but they do arrive at a known rate and this predicts the flipping-depth rate.
Read 6 tweets

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I've posted up examples of student work from the first year Animation Layout & Design class I teach at @SenecaCollege (like these Kitchen scenes attached here), but that doesn't really give you the scope of what one of these final drawings entail.

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Here's a short write-up example I did for the class.
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