Roberto Abraham Scaruffi

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If you found out that P=NP, what would be the first thing you would do, after checking the proof? David Joyce, Professor of Mathematics and Computer... 23 votes Carefully write up your proof and submit it to a journal that publishes research in theoretical computer science. Such a proof is not out of the question. If you could co... Read More » How does a fighter jet lock onto and keep track of an enemy aircraft? Tim Morgan, Commercial pilot (ASEL, ASES, IA), mi... 686 votes The primary technology that a military aircraft uses to lock and track an enemy aircraft is its onboard radar. Aircraft radars typically have two modes: search and track. ... Read More » Why was Bell Labs in New Jersey able to do so many cool things before they split up? Inna Vishik, postdoctoral fellow at MIT, quantum m... 63 votes The breadth and magnitude of the cool things that Bell Labs did is absolutely remarkable. First of all, they invented technologies to connect an entire expansive country b... Read More » If , does that mean that ? Daniel McLaury, Ph.D. Student in Mathematics 89 votes Over the real numbers, the exponential function is increasing everywhere, and thus injective. As such, it has an inverse function on its range, which we call the natural l... Read More » I am planning to quit my job and study algorithms full-time for one year. Can anyone give me some advice? Soham Mehta, Founder, Interview Kickstart (Previou... 225 votes Congratulations on that thought. It's a bold idea, and I commend you for even thinking about it; not many can. Everyone wants to win, but very few want toprepare to win. ... Read More » What were the battle dynamics re: the Imperial attack on Hoth? Jon Davis, Sergeant of Marines. Fought in Iraq d... 180 votes Battlefield and Postmortem Assessment of Imperial Forces at Hoth I contribute the failed attack to 4 main points: ... Read More » What do scientists mean when they say that Einstein's equations "break down" in a black hole and at the beginning of the big bang? How can an equation break? David Simmons-Duffin, Physicist 510 votes Here's an equation that breaks down in a similar way: ... Read More » How can  diverge but   converge? Mark Eichenlaub, graduate student in physics 149 votes The simplest answer I can think of is to say that the sums are different from each other. If they're different sums, then obviously they don't have to do the same thing. So... Read More » Is it too late to start programming at 17 if you want to be a top programmer? Donald Pinkus, Engineer at Facebook, Founder of Bloc... 5.0k votes I started programming at 22. Let's give you a timeline. 22 - I learn what an "if statement" is. 24 - I get a job at Facebook as an analyst.... Read More » What are some unusual/powerful implications if an integer is discovered between 3 and 4? Justin Rising, PhD in statistics 42 votes If you accept the Peano axioms and use the standard definitions of the symbols , ,  and , you can prove that there is no integer  such that . Which of those things are you... Read More »