What are cryptocurrencies and how do they work? Using bitcoin as a case study, Jean-Paul Delahaye surveys the current state of peer-to-peer cash systems and what their future may look like.
Vitalik Buterin poses that question, do read his whole storm. Here are the last three tweets: How many Venezuelans have actually been protected by us from hyperinflation? How much actual usage of micropayment channels is there actually in reality? The answer to all of these questions is definitely not zero, and in some cases it’s […]
Källa: How to Read Mathematics
Reading mathematics too quickly results in frustration. A half hour of concentration in a novel might net the average reader 20-60 pages with full comprehension, depending on the novel and the experience of the reader. The same half hour in a math article buys you 0-10 lines depending on the article and how experienced you are at reading mathematics. There is no substitute for work and time. You can speed up your math reading skill by practicing, but be careful. Like any skill, trying too much too fast can set you back and kill your motivation. Imagine trying to do an hour of high-energy aerobics if you have not worked out in two years. You may make it through the first class, but you are not likely to come back. The frustration from seeing the experienced class members effortlessly do twice as much as you, while you moan the whole next day from soreness, is too much to take.
Why Aren’t We Always Lucid In Dreams? What is it that differentiates lucid dreaming from regular dreams? In what ways does lucid dreaming effect the brain? What type of phenomenon is this?
Jaynes makes us realize that mental abilities which we take for granted were in fact hard-won attainments of millennia. Concepts had to be invented as well.
The results suggest that pretending to be a popular fictional character helps young children to resist distraction, at least compared to the other conditions used in this experiment. White and her team think this is probably at least partly because it helps create a feeling of self-distance from the task, which is known to help people resist immediate distractions and prioritise longer-term goals. The trouble is, there are so many other aspects to the Batman condition that could have led to its apparent benefits, such as perhaps it simply made the boring task more fun, or maybe the children identified with their fictional character and assumed some of his or her qualities.