Imagine if you could follow an Instagram user from your Twitter account and comment on their photos without leaving your account. If Twitter and Instagram were federated services that used the same protocol, that would be possible. With a Mastodon account, you can communicate with any other compatible website, even if it is not running on Mastodon. All that is necessary is that the software support the same subset of the ActivityPub protocol that allows for creating and interacting with status updates.

Mastodon is a fascinating project. At surface level, it is similar enough to Twitter for people to consider it a valid alternative: the UI and the fundamental social constructs could not be more familiar. At the same time, you don’t need to dig too deep to encounter esoteric concepts like ActivityPub and the fediverse.

A common viewpoint is that Mastodon has failed to appeal to a broader, less tech-savvy audience so far due to its federation model, but I tend to disagree: after all we are using federated messaging systems every day and we’ll likely keep doing so until the end of time.

There was a moment when email itself was an esoteric concept and it was important to know what SMTP is in order to send a message, but we have managed to abstract all that complexity away, so I am cautiously optimistic about federated social media in the long run. Arguably the biggest challenge so far is the network effect (or lack thereof), as it’s hard to move to a new platform when all you friends are somewhere else. In that respect, feel free to follow me @maffeis@mastodon.social. Don’t be shy!

via docs.joinmastodon.org

Compared to DSLR cameras, smartphone cameras have smaller sensors, which limits their spatial resolution; smaller apertures, which limits their light gathering ability; and smaller pixels, which reduces their signal-to-noise ratio. The use of color filter arrays (CFAs) requires demosaicing, which further degrades resolution. In this paper, we supplant the use of traditional demosaicing in single-frame and burst photography pipelines with a multi-frame super-resolution algorithm that creates a complete RGB image directly from a burst of CFA raw images. We harness natural hand tremor, typical in handheld photography, to acquire a burst of raw frames with small offsets. These frames are then aligned and merged to form a single image with red, green, and blue values at every pixel site. This approach, which includes no explicit demosaicing step, serves to both increase image resolution and boost signal to noise ratio.

Further indications that mobile photography is disrupting the digital imaging industry thanks to a tighter integration of hardware and software.

via sites.google.com

It’ll be some time before computational notebooks replace PDFs in scientific journals, because that would mean changing the incentive structure of science itself. Until journals require scientists to submit notebooks, and until sharing your work and your data becomes the way to earn prestige, or funding, people will likely just keep doing what they’re doing.

It is incredibly depressing that we live in a world where scientific knowledge is still shared mostly by means of PDF documents, but the title of this article is misleading at best. The future of science communication will not be built on yet another proprietary document format. On the other hand, the Web platform has all the technical capabilities needed to create any sort of “computational” papers, but it still lacks appropriate authoring tools to empower scientists to do it by themselves.
The reports of the scientific paper’s death have been (unfortunately) greatly exaggerated.

via theatlantic.com