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Jeremy Howard Profile picture
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2 Aug, 5 tweets, 2 min read
Today we’re launching fastdownload, a new library that makes it easy for your users to download, verify, and extract archives.

It's the foundation behind one of fastai's famous "4 lines of code" 1/
fast.ai/2021/08/02/fas…
fastai is famous for needing just four lines of code to get world-class deep learning results with vision, text, tabular, or recommendation system data. Image
The first line, `untar_data`, does quite a bit for you.

`fastdownload` lets you provide this same functionality in your own projects. Image
Here’s all you need to provide a function that works just like untar_data: Image
If you're interested in trying out fastdownload, check out the docs:
fastdownload.fast.ai

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More from @jeremyphoward

Jeremy Howard Profile picture
27 Oct
In March @manorlaboratory was a senior author on a paper that looked at spike proteins.

It became one of the most discussed papers ever when anti-vaxxers misunderstood it and claimed it shows vaccines are unsafe.

Our new paper shows the opposite: fast.ai/2021/10/27/vac…
The original paper has become the most discussed ever in Circulation Research & is in the top 0.005% of discussed papers across all topics.

Most mentions we found of it on social media, youtube, and blogs totally misunderstood what it said.
ahajournals.org/doi/10.1161/CI…
For instance, here's an enthusiasically wrong all-caps article "MASSIVE: WORLD RENOWNED DOCTOR BLOWS LID OFF OF COVID VACCINE" saying "the vaccine technology produces the dangerous spike protein […] which damages blood vessels and causes blood clotting"
archive.md/9lG0l#selectio…
Read 8 tweets
Jeremy Howard Profile picture
26 Oct
There's a new group, "COVID Safe Schools", which supports 🇦🇺 parents and teachers that are concerned their school isn't safe.

Come tonight 7p (Vic/NSW) to learn how to make classrooms safe, and about your legal options if your school isn't safe.
eventbrite.com.au/e/covid-safe-s…
Many parents and teachers are expressing concerns that classrooms are not being made safe for students and staff.
"The person with management or control of a workplace must ensure… that the workplace, the means of entering and exiting the workplace and anything arising from the workplace are without risks to the health and safety of any person"

Including schools!
legislation.gov.au/Details/C2018C…
Read 4 tweets
Jeremy Howard Profile picture
20 Oct
Wow. Schools being told they're not allowed to use air purifiers bought by parents, because they're "not needed" based on an "audit".

BUT the audit was done when schools were closed. So they haven't actually measured CO2 with students present! 1/🧵
theguardian.com/australia-news…
Principals are being told that air purifiers could make air quality worse if not maintained properly.
But Prof Lidia Morawska says it's "strongly recommended that schools that do not have ventilation systems capable of keeping indoor particles down be equipped with air purifiers"
If you're wondering who Lidia Morawska is - she's one of the world's top experts on safe air and COVID.
abc.net.au/news/2021-09-1…
Read 13 tweets
Jeremy Howard Profile picture
18 Oct
It's so easy nowadays to throw together a statistical test on a computer. But software doesn't help much with study design and interpretation.

In today's post I look at what can go wrong. 🧵
fast.ai/2021/10/17/con…
A recent review paper about Long Covid in kids was widely discussed in the press. The headlines were reassuring...
journals.lww.com/pidj/Abstract/… Image
...but as it turns out, the paper didn't really say what the headlines claimed.

(Although I did see an author of the paper making the headline claims on social media and in videos.) Image
Read 21 tweets
Jeremy Howard Profile picture
4 Feb
I’m hearing comments that Grid AI (Lightning) seem to have copied fastai's API without credit, and claimed to have invented it.

We wrote a paper about our design; it's great it's inspiring others.

Claiming credit for other's work? NOT great 1/

mdpi.com/2078-2489/11/2…
PyTorch Lightning is a new deep learning library, released in mid-2019. The same team launched "Flash", a higher level library, this week.

fastai was launched in 2017, based on extensive research.

As you can see, they look *very* similar. ImageImage
The quote below is from the Flash launch post (h/t @tomcocobrico). It is very clearly not true.

fastai's focus has always been simple inference, fine-tuning, and customization of state of the art models on new data in a matter of minutes.

Read 20 tweets
Jeremy Howard Profile picture
11 Jan
Our paper, "An evidence review of face masks against COVID-19", written by a cross-disciplinary team of 19 international experts, was published in the Proceedings of the National Academy of Sciences today.

No time for the paper? Then read this thread!
pnas.org/content/118/4/…
The paper, which includes 141 references (yes, I read every one of them!) argues that we should increase focus on a previously overlooked aspect of mask usage: mask wearing by infectious people ("source control"), rather than only mask wearing by susceptible people ("PPE") Image
Masks have been used to help control respiratory pandemics for at least 600 years. Wu Lien-Teh (the "Plague Fighter") showed the world the importance of masks nearly 100 years ago, doing detailed studies over many years.

Sadly, his work became largely forgotten in the west Image
Read 11 tweets

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