Abstract: For increasingly complex real-world optimization problems, a large number of researches have shown that differential evolution (DE) is an effective problem-solving algorithm. Despite its ...

Ar Ratsada spotted the 10ft (3m) reticulated python coiling its body to clamber up the tree at Nangnon Mountain in Nakhon Si Thammarat, Thailand. Footage shows the apex predator using its powerful ...

This is read by an automated voice. Please report any issues or inconsistencies here. Snakes as pets tend to attract a certain kind of owner. Maybe it’s the quiet. Maybe it’s the fact that they don’t ...

Abstract: This work proposes a method for feature extraction from acoustic emission signals using a binary tree structure based on the Stationary Wavelet Transform (SWT). The objective is to ...

A hidden wooden platform with a direct view of Donald Trump's runway went unnoticed for years—until federal agents suddenly took it down. A local hunter says he's seen it before, and now the FBI is ...

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

How do you count rooted planar n n-ary trees with some number of leaves? For n = 2 n = 2 this puzzle leads to the Catalan numbers. These are so fascinating that the combinatorist Richard Stanley wrote ...

Snakes have adapted to climb trees, leap across hot sand, and even swim through water — all without arms or legs. What’s their secret? Mike Bock This corn snake, shown here at the Smithsonian's ...