Roberto Abraham Scaruffi

Answer: Most professional mathematicians can easily re-derive most of the defi.​.​.​ Top Stories from Your Feed Your Quora Digest

Does anyone "understand" calculus? Kevin Lin, learner 112 votes Most professional mathematicians can easily re-derive most of the definitions, theorems, and proofs of calculus from scratch, without any help or assistance or books for re... Read More » Who is a "rockstar programmer?" Ja Hoops 624 votes I worked with a self-described "rock star" programmer. He was very intelligent, and had impressive skills. The company I worked for was fairly conservative, but this guy ...  Read More » What advice/tips do you have for directors/producers who want to use Kickstarter to finance a project? David Cross, Performer, writer & producer; w/ Bob and David, Mr. Show, Arrested Development 127 votes First, avail yourself to the staff at Kickstarter. They are exceedingly helpful and full of useful information. And try to make your pitch succinct and understandable, whil...  Read More » What are other short, clever, and fun proofs like the proof that [math]\sqrt{2}[/math] is irrational? Nathan Pflueger, Math Professor 62 votes Theorem. There exist two positive irrational numbers[math]\alpha,\beta[/math] such that[math]\alpha^\beta[/math] is a rational number. Proof. Consider the number [math]\left( \sqrt{3} \right)^{\sqrt{2}}[/math]. Either this number is rational, or it is irrational. If... Read More » How does a cop pull over a car that'sbehind them? Stan Hanks, building "the Internet" since 1981, now building web-scale companies 1.7k votes Years ago, when I was still living in Houston, I had been working very very late (like 3AM late) on a project on the west side of town and was headed to meet some friends f... Read More » WhatsApp is developed by using which language? Yogesh Ojha 378 votes Whatsapp uses the Erlang Programming Language. Erlang Programming Language was developed by telecom giant called Ericsson Here are the list of technologies they use OS: fre...  Read More » What is the weirdest/grossest/most disturbing thing seen by emergency room staff? Do you ever find it difficult not to faint? Gregory Walter, Gregory Walter is an American physician living and working in New Zealand 1.9k votes A lot of people have already answered this question but hey everyone wants to hear a gross story. I was working a shift in Queens General Hospital NYC. A homeless man was... Read More » How do casinos use psychology to make you spend more than you planned? Harold Mann, Technology Consultant 153 votes 1) They are generous. Picking you up at the airport with a limo. Putting your name on a sign. Giving you a special line to check-in. "All we ask is an average bet of $___/h...  Read More » What are the characteristics of a bad software engineer? Nachiket Naik, software developer, artist, reader, writer, thinker and compassionate human being(most importantly) 4.9k votes In my experience, these are some characteristics of bad software engineers: 1) The Stack Overflow bot: This person ran into an error, did a quick Google search and applied... Read More » What if dark matter and dark energy don't exist and it's something else pulling the galaxies apart? What could it be? Jonathan Miller, 28 Years, NASA Extravehicular Activity Engineer, Johnson Space Center, Houston 337 votes There is a very strong probability that dark matter and dark energy do not exist. Right now those ideas are crutches to make up for our lack of understanding of the true n... Read More »

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