Orbital Mechanics is a fundamental discipline concerned with the motion of objects under the influence of gravitational forces, crucial for understanding both natural celestial phenomena and the ...

Quantum mechanics is the study of the dynamics of particles at its most fundamental level. The state of a particle, such as its position or momentum, is described by a statistical distribution given ...

Calculus to the level of ODEs, partial derivative and multiple integrals, some knowledge of PDEs helpful but not essential. Students should have a certain comfort level with dealing with advanced ...

The most gripping crime stories of 2025 weren’t just about suspects and victims — they were about free speech, terrorism, trust in the justice system and safety in places once considered secure.

In the photos and videos, Gomez is seen posing for photos amidst a lush green backyard setting. According to People, she wore a custom Ralph Lauren wedding gown, featuring a floral halter-neck, ...

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The debate between anime dubs (English voiceovers) and subs (subtitled versions in the original Japanese) has been a long-standing topic among anime fans, often dividing the community. Supporters of ...

Discovering a machine that could somehow produce thrust without releasing propellant would be a game-changer for human space travel. There’s just one problem—such a device would defy the laws of ...

After the Hunt In the worst movie of his career so far, Luca Guadagnino dares to ask the pressing question, “What if safe space #MeToo Gen Z sexual abuse trigger warning woke campus pronouns?” Guided ...

Check and improve your grammar with our basic grammar reference guide. On this page you'll find links to our basic grammar summary pages. Each basic grammar reference page covers a key grammar point ...