Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Simulating physics is central to robotics: before a robot ever moves in the real world, much of its learning, testing, and control happens in a virtual environment. But traditional simulators often ...

American cities are teetering on the edge of a fiscal cliff. Covid-19 hammered municipal budgets: remote work displaced jobs, commercial rents plunged, and business travel and tourism collapsed, ...

The problem has vexed Boston leaders, public health officials and police for years: How best to address the interwoven issues of homelessness and public drug use that collide near the intersection of ...

Madi Babaiasl edited this page Nov 26, 2023 · 28 revisions Consider the 2R planar robot arm depicted in the figure below: We want to determine the set of joint angles that can produce a desired ...

One of the simplest ways for a hacker to gain control of your online accounts is by getting hold of your password. Sometimes, they do this through brute force attacks — automatically checking millions ...

Dr. James McCaffrey from Microsoft Research presents a complete end-to-end demonstration of computing a matrix inverse using the Newton iteration algorithm. Compared to other algorithms, Newton ...

A UNSW Sydney mathematician has discovered a new method to tackle algebra's oldest challenge—solving higher polynomial equations. Polynomials are equations involving a variable raised to powers, such ...

Jam Handy Film. "Get Going" is an educational film that explains acceleration and motion using a mix of animation, real-world examples, and scientific principles. It begins with a cartoon of a sleepy ...