In Hans Christian Andersen's folktale, The Emperor's New Clothes, when a child cries out that the emperor is naked, he isn't revealing a secret. Everyone already knows it. What changes in that instant ...

In this video, I hard-pruned over 40 fruit trees in our backyard orchard, many of which were back to head height. Here’s why I did it, how I chose the cuts, and what happens next with dramatic ...

Abstract: In the paper the known recursive methods for synthesis of complementary pairs are elaborated for the case of complementary pairs of binary signals, processed by mismatched filters with ...

If your mental picture of a Dollar Tree shopping trip involves only dusty generic cans and mystery snacks, it’s time to rethink. You’ll be surprised how often Dollar Tree name-brand items ...

Given an integer N, find the count of all the positive numbers <= N, which cannot be represented as sum of two primes. Input Format The first line of input contains T - number of test cases. It is ...