There have been significant advances in camera technology in the ensuing decades — in resolution, digitization, storage, and wireless transmission — and cameras have become cheaper and far more prevalent. The goal of this technology is to allow computers not just to record but also to understand the objects and actions that a camera is capturing. Behind all the dumb video camera “eyes” that record us will increasingly lie ever-smarter “brains” that will be monitoring us.

SAN FRANCISCO — Facebook unveiled an ambitious plan on Tuesday to create an alternative financial system that relies on a cryptocurrency that the company has been secretly working on for more than a year. The effort, announced with 27 partners as diverse as Mastercard and Uber, could face immediate skepticism from people who question the usefulness of cryptocurrencies and others who are wary of the power already accumulated by the social media company. But if the project, which Facebook hopes to begin next year with 100 partners, should come together, it would be the most far-reaching attempt by a mainstream company to jump into the world of cryptocurrencies, which is best known for speculative investments through digital tokens like Bitcoin and outside-the-law e-commerce, like buying drugs online.

It gives us some idea if things are going right or not, but they lack a view of how the whole is going on — a thing integration tests, which tests how the system as a whole behaves — do better. You can be sure that if a language brings a testing framework — even minimal — in its standard library, the ecosystem around it will have better tests than a language that doesn’t carry a testing framework, no matter how good the external testing frameworks for the language are. If the language comes with its own way of documenting and it comes even with the simplest doc generator, you can be sure that all the language will have a good documentation (not great, but at least good).

Head Wounds Steel Helmets
In the March, 1943 edition of the US Army’s Intelligence Bulletin, a short article discusses a British study of combat head injuries and the protection afforded by various styles of steel helmet. British troops wearing the old pattern and the new MkIII helmets during fighting in Caen in 1944 (source)
The report showed that a considerable portion of the skull was not protected by the Brodie helmet worn by British troops (and until 1941, by the US). It also shows the outline of the new US M1 helmet, which appears to provide the best protection of the on United Nations, No.2, 15 January 1943, Military Intelligence Division,
War Department, pp.34-5

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If this is an offline account, the system stores the user name, NTLM, SHA1 password hashes along with some other private information to the LSA secret named this is a Microsoft account, then (Windows 1607 and earlier) 1703 and later) secret is created. After the PC is rebooted, the system identifies the TBAL token and decrypts the DPAPI primary key using either a SHA1 hash of the user (for an offline account) or a 96-byte key if it is a Microsoft account. The problem for a user is that after the system is shut down, anyone who has physical access to the PC can use the stored TBAL secret to decrypt the DPAPI primary key and, as a consequence, all the user’s data that is encrypted using DPAPI.

Open-source projects to develop smart prosthetics for the upper body, such as hands, are well-established parts of the bionic landscape. An open-source, artificially intelligent prosthetic leg was unveiled at Amazon’s Re:MARS conference in Las Vegas this afternoon (June 5) ahead of its release to the wider scientific community. An experimental user, identified as Terry, walked around a Las Vegas conference room to demonstrate how efficiently the leg worked.

Now Barcelona is implementing an urban plan that would decisively change that, pushing cars off most streets and turning the land over to citizens for mixed-use public spaces, or “superblocks.” Javier Zarracina/Vox; Maysun for Vox

Covering Barcelona in superblocks is eventually meant giving everyone in the city access to walkable public spaces. Big thanks to Salvador Rueda and the staff at the Urban Ecology Agency of Barcelona for all their help; the many residents of the city who showed such hospitality; Maysun for her excellent photography; and above all, Andrés Bartos, who served as research assistant, tour guide, translator, sounding board, and faithful companion throughout my visit.

“Books for Idle Hours,” a new history by the academic Donna Harrington-Lueker, unpacks both the constructedness of “summer reading” and its gravitational pull. But the book industry seized the chance to rebrand summer novels as “an acceptable middle-class pleasure,” Harrington-Lueker writes. “Books for Idle Hours” is especially interesting on the emergence of a new type of textual diversion: the American summer novel.

• Before concluding that your colleague who messes up your projects is out to sabotage you, consider Hanlon’s Razor for an alternative explanation. • Ever sat through a bad movie just because you paid a lot for the ticket? Check out the full list of mental models here.

For many countries the demographic transition has already ended, and as the global fertility rate has now halved we know that the world as a whole is approaching the end of rapid population growth. By the end of the century – when global population growth will have fallen to 0.1% according to the UN’s projection – the world will be very close to the end of the demographic transition. The big global demographic transition that the world entered more than two centuries ago is then coming to an end: This new equilibrium is different from the one in the past when it was the very high mortality that kept population growth in check.