Roberto Abraham Scaruffi

What will happen if the Pythagorean theorem is proven wrong or hypothetically does not exist? David Joyce, always learning 42 votes The Pythagorean theorem holds in Euclidean geometry. There's a proof. It cannot be proven wrong there. You can start with different axioms of geometry, and if you do so,... Read More »

Is being worth $10 million USD considered 'rich'? David S. Rose, Entrepreneur, Investor, Mentor 359 votes If that $10 million were to be earning you a 5% annual liquid return (which is not wildly unrealistic), you would have a permanent income of about $500,000 a year which wou... Read More »

What would you consider the Swiss army knife of laboratory equipment? Christopher VanLang, I make drugs 26 votes I've heard that the order of volume lab equipment sold worldwide is: Balance pH probe HPLC...  Read More »

How do I to find the square of any number? Travis Hance, ? 39 votes There are a bunch of ways If x is your number, compute x · x. Since multiplication is commutative, you could switch the two terms and compute x · x instead. Compute f(x) wher...  Read More »

How probable is it that the brain operates using "neural networks" from machine learning? Jordan Boyd-Graber, Asst. Prof @ U Colorado working on Na... 27 votes Since the question was asked in terms of probability: 0.0000000000 (is that enough significant digits?) Neural networks are very loosely inspired by biology, but they are ... Read More »

Who are some little known people that changed the world? Santanu Diwan, Love mathematics, computer science, p... 1k votes Leo Szilard, an almost unknown scientist in today's times, made some astonishingly important contributions to science and society. Cancel all your plans for the next 15 min... Read More »

What is the best way to maximize profit using my 20K? Auren Hoffman, LiveRamp CEO. Started & sold 5 compan... 1.3k votes If you are resourceful and hard working, the very best investment you can make is to invest in yourself. If you are under 50 and have less than $10 million in assets, you ... Read More »

How do RBMs work? Yoshua Bengio, Machine Learning Researcher, Professo... 148 votes An RBM (Restricted Boltzmann Machine) is a probabilistic model. It models a distribution by splitting the input space in many different ways. You can think of it a little b... Read More »

What are the next two numbers within the series 5, 21, 12, 32, 24, 54? Michal Danilák, Mimino on TopCoder and Codeforces 30 votes Let me ask my friend Python (again): import random... Read More »

What do real-world calculations that physicists do look like? Alejandro Jenkins 78 votes I was a graduate student at the California Institute of Technology (Caltech) during 2001-06, working on high energy theoretical physics (mostly particle phenomenology and c... Read More »