Abstract: This paper considers constrained spacecraft rendezvous and docking (RVD) in the setting of the Bi-circular Restricted Four-Body Problem (BCR4BP), while accounting for attitude dynamics. We ...

In this video, we solve a classic AP Physics 1 ramp to projectile motion problem step by step, showing how energy, kinematics, and motion concepts connect. Ideal for exam prep and for students looking ...

Let’s face it: As we age, our vision and balance aren’t what they used to be. These changes to our senses can be minor annoyances but can also lead to injury, from stubbed toes to serious falls.

Munster GAA’s motion to return inter-county minor level to U18 won’t be debated at Congress next month. The province intends putting forward the proposal but for 2027 as a previous similar ...

In this video, we’ll break down how to solve physics problems involving the motion of a 2D spring. Learn about the forces at play, how to model the spring’s movement, and the key concepts behind ...

Consumer Reports’ latest annual survey flags the most unreliable PHEVs across multiple segments, including the Mazda CX-90 and Jeep Wrangler 4xe. A plug-in hybrid vehicle (PHEV) offers several ...

Cells may generate their own electrical signals through microscopic membrane motions. Researchers show that active molecular processes can create voltage spikes similar to those used by neurons. These ...

DEAR ABBY: My wife and I have lived in a country home for the past 25 years. When we moved here, our only neighbors were wild turkeys, deer and raccoons. Behind our house were 20 acres of woods, which ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. You know that scene in Harry Potter and the Sorcerer’s Stone ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

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 ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...