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Chris Anderson Profile picture
@chr1sa
Feb 20, 2020 • 4 tweets • 2 min read • Read on X
Today's #Corvid19 stats. New cases low again today, but new deaths still high. May be tracking to estimated ~20-day course of the disease, in which they will stay high for a few more days before starting to fall as new cases did

worldometers.info/coronavirus/ Image
Revised chart showing the return to the original reporting method (RNA testkits) two days ago Image
Some good charts from @Worldometers.

This one shows the peak of the epidemic a few days ago Image
@Worldometers Recoveries also passed new infection a few days ago Image

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More from @chr1sa

Chris Anderson Profile picture
Feb 19, 2023
I'm seeing dueling views on China and AI:

Some describe ChatGPT as "China's second Sputnik moment", to use @kaifulee's term about its motivating power

Others say China's government is too fearful of AI breaking their lock on information and power to really allow it to flourish
My own take is that this illuminates our immature taxonomies of "AI" -- there are many different kinds and some countries will be better at each.

China is great at *perception* AI, thanks to its surveillance state and huge data, which supports government power
But the US is better at *generative* AI, which encourages the creation of new power structures, even (especially!) those that challenge the status quo
Read 5 tweets
Chris Anderson Profile picture
Oct 30, 2022
While AI is having a summer, robotics is stuck in winter. While the perception problems have been largely solved (thanks to AI), the other robotics problems -- understanding, planning, grasping, energy, flexibility, judgement, etc -- need breakthroughs.
Maybe it's because "robotics" is not a thing. I'd argue it's a category error, too broad to be useful (like "electricity").

Cars are not drones are not industrial arms are not vacuum cleaners.
Efforts to create universal robotics solutions, like ROS, struggle w/complexity, serving too many masters & rarely being the best solution for any one specific real-world prob. Even firms that start w/ROS usually replace it w/something bespoke once they achieve product-market fit
Read 5 tweets
Chris Anderson Profile picture
Apr 26, 2021
It's now been almost a year since the New York Times put together this technically impressive yet totally wrong interactive article about how long it would take to get a Covid vaccine.
To their credit, the NYT allowed you to try, by clicking, all sorts of (implausible, they suggested) accelerants like fastrack regulatory approval and building factories ahead of approval. But no combination of options got you to how fast we actually got the vaccine.
I'm trying to understand why so many people underestimated our ability to get a vaccine (to say nothing of such an effective one) in less than 12 months. Part of it is that mRNA vaccines were still new; they didn't have confidence that they would work.
Read 5 tweets
Chris Anderson Profile picture
Mar 13, 2021
Was it always obvious which side of "pandemic wishful thinking" liberals & conservatives would be on (more pessimistic than the facts justified vs more optimistic)?

It's now clear that liberals tended to catastrophize & conservatives minimized, but why? Just a Trump-era thing?
Here's one good answer, involving feelings about "agency" and individualism

sciencedaily.com/releases/2020/…
Here's another one from Nature, this one leaning on the theory that people were following political leaders, who during the Trump administration were tending to be critics or apologists depending on their party:
nature.com/articles/s4156…
Read 6 tweets
Chris Anderson Profile picture
Nov 22, 2020
Still life of a simplified OpenBot mod thinking that 2-wheel drive makes a lot more sense than 4-wheel drive. More nimble, cheaper, easier. openbot.org

The phone does all the work -- computer vision, deep learning, motion control, etc
This is kind of like a @diyrobocars version of @comma_ai's OpenPilot
Interestingly, this is a modern version of the phone-controlled robot idea that first appeared as a Kickstarter project from Romotive back in 2014.

Although that company failed, the founder went on to found @zipline, one of the most successful drone delivery companies today
Read 4 tweets
Chris Anderson Profile picture
Oct 11, 2020
I'm incredibly impressed by the new Creality CR-6 3D printer. It's the first 3D printer I've had that *just works*. Silent (just fan noise), perfect quality, no tweaking or setup, just like a good paper printer

Took 10+ yrs to get here, but we're here

creality3d.shop/collections/cr…
Game-changers turned out to be:
-Self-leveling w/tap-touch
-10 yrs of software improvement (Marlin)
-Good touch-screens
-Finally getting nozzles/filament drives right
-Dual z-steppers. The fewer belts the better
-Enclosures unnecessary (waste of space/money)
-Heated glass beds
Also under $400. Really can't see any reason to pay more these days
Read 5 tweets

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