Roberto Abraham Scaruffi

Answer: I) S = 0 + \frac{1}{2} + \frac{2}{4} + \frac{3}{8} .​.​.​ II) S \frac.​.​.​ Top Stories from Your Feed Your Quora Digest

How do you evaluate:  ? Matheus Deister 39 votes I)  II)  ... Read More » How can you learn faster? Josh Manson, Lifelike and Posable, Hopeless and Di... 662 votes There is a method that allows a person to learn instantly. It works for all people no matter what their situation is. People say that they are slow at learning or that it... Read More » What are 3 books that every person should read? Shane Parrish, Entrepreneur, reader, and thinker 59 votes 1. Influence: The Psychology of Persuasion Psychologist Robert Cialdini introduces the universal principles of influence: reciprocation, scarcity, authority, commitment, l... Read More » Deck of cards without replacement. Draw card 1 by 1. Red card pays $1, black lose $1. You can stop anytime. What is optimal stopping rule? Alon Amit, Mathcircler and Origamist. 97 votes This can easily be solved with dynamic programming, but I'm not aware of any neat formula for either the stopping rule or the expected payoff. For the particular case of a... Read More » How many hours a week does Mark Zuckerberg actually work at the Facebook office? Lee Byron, I make things 7.8k votes I sit near Mark at FBHQ so I'll speak from my experience. He often arrives every morning before I do and is around after dinner working as well. I would say he is in the o... Read More » What happens to the light in the long run? Does it continue its trajectory or does it fade out? KG Tan, PhD Student 383 votes Let me tell you a story about Joe, one of the very first photons in observable existence. Once upon a time, there were no stars, no galaxies, no planets, and no people. Th... Read More » What things can you do in the USA that you cannot do in Germany? Christopher Webb, Expat from California, living in Germ... 1.1k votes Live completely rent-free in an RV in the middle of nature on the vast public lands, such as national forests, where you are allowed to stay anywhere you like. ... Read More » What is a good fitness plan for someone who is extremely busy? Jordan Phoenix, Founder, Uncommon Sense 1.4k votes The exercise program I use takes only twelve minutes per week, hits all of the major muscle groups, and does not require a gym membership.  Holy time management, Batman! ... Read More » How can I get over the fact I am going to die? Steve Waddington, Former Network Engineer, CIO and CEO.... 3.5k votes You can do what my friend did. His plan was simply to not die. He never took out life insurance for that reason. His plan worked perfectly for his entire life. And when... Read More » Is it advisable for a grad student to do "high-risk" research that their professor advises them to do? Sai Janani Ganesan, Graduate Student at University of Mar... 62 votes I have a story to share, this happened to a good friend of mine (X). X has an impeccable resume, is an experimentalist and started graduate school with a prolific researc... Read More »