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'Payment by vein' trialled in supermarket - BBC News
A supermarket in London is trialling a biometric payment system that uses the unique vein pattern in fingertips to pay for goods.
Costcutter said it would consider rolling Fingopay out more widely if the test, at Brunel University, was successful.
An electronic reader maps the user's finger veins, generating a unique key.
But one expert questioned whether biometric systems had any benefit over traditional methods of payment.
biometrics  identity  payment  future  trends  retail 
yesterday by dancall
exponential function - Feynman's Trick for Approximating $e^x$ - Mathematics Stack Exchange
1. e^2.3 ~ 10
2. e^.7 ~ 2
3. e^x ~ 1+x
e = 2.71828...

errors (absolute, relative):
1. +0.0258, 0.26%
2. -0.0138, -0.68%
3. 1 + x approximates e^x on [-.3, .3] with absolute error < .05, and relative error < 5.6% (3.7% for [0, .3]).
nibble  q-n-a  overflow  math  feynman  giants  mental-math  calculation  multiplicative  AMT  identity  objektbuch  explanation  howto  estimate  street-fighting  stories  approximation  data  trivia  nitty-gritty 
3 days ago by nhaliday
Queerly Represent Me | QueerlyRepresent.me
Queerly Represent Me is a database for games that representation of sexuality, gender, and relationships, and resources that discuss such games and concepts.
videogames  identity  diversity  criticalGaming  organization 
4 days ago by basemaly
Continuations by Albert Wenger : Decentralizing Identity
If you ask someone who they are on the Internet, they will likely give you an email address or point to their profile on Twitter, Facebook, Google, or LinkedIn. Some people might instead reference a profile on a more industry specific network such as Behance for creatives or Doximity for doctors. Others use a personal home page provider like about.me and an even smaller fraction have their own domain. This is a pretty unsatisfactory state of the world from both an individual and a service creator perspective.
identity 
4 days ago by jchris
UK PornBlock
Tweet thread on the failure of the UK to impose a "you must be 18 to look at porn online" law. Verifying age online turns out to be super hard.
porn  uk  id  identity  tootme 
5 days ago by nelson
Fear, Anxiety and Hope: What It Means to Be a Minority in Gaming - The New York Times
Five years after “Gamergate,” little seems to have changed in the industry for minorities, women and members of the L.G.B.T.Q. community. Here are six stories of people trying to change that.
diversity  criticalGaming  videogames  culture  identity 
5 days ago by basemaly

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