The irregular, swirling motion of fluids we call turbulence can be found everywhere, from stirring in a teacup to currents in the planetary atmosphere. This phenomenon is governed by the Navier-Stokes ...

Explore the physics behind rope swings and learn how to calculate the maximum tension in the rope using centripetal acceleration. This video breaks down the forces at play when swinging in a circular ...

Explore the dynamics of circular motion with **“Understanding Tension In Two Masses Moving In A Vertical Circle.”** This physics tutorial breaks down the concept of tension forces acting on two masses ...

The challenge is to spot the Hidden Snake in this 3D Motion-and-Depth Optical Illusion. So if you think that your Observation ...

H ave you ever met a Zionist Foucauldian? Some 30 years ago, I half-jokingly asked my fellow graduate students in a social-theory course if they had ever encountered such a creature. No one had. The ...

In “Straight Talk with Rick and Jal,” Harvard University’s Jal Mehta and I examine the reforms and enthusiasms that permeate education. In a field full of buzzwords, our goal is simple: Tell the truth ...

The New York State Education Department is pushing new math guidelines, including a recommendation that teachers stop giving timed quizzes — because it stresses students out. The new guidelines also ...

In a recent study, mathematicians from Freie Universität Berlin have demonstrated that planar tiling, or tessellation, is much more than a way to create a pretty pattern. Consisting of a surface ...

You probably don’t need more time. By Jancee Dunn When I look back on all the major decisions I’ve dithered over, I could scream. It took me a decade to commit to becoming a parent. I wavered for a ...

Most American voters believe the United States is too politically divided to solve problems, according to a poll by The New York Times and Siena University released Thursday. The poll found that 64 ...

We've wondered for centuries whether knowledge is latent and innate or learned and grasped through experience, and a new research project is asking the same question about AI. When you purchase ...

We are moving from a world of institutional dependency to one of personal responsibility. The question is no longer, “What can we do for people?” but, “How can we equip people to do more for ...