This article explains why the Earth's rotation can make some people age faster. It utilizes concepts of special relativity, time dilation, rotational motion, and Lorentz transformations. Read more.

This article explains why a shower curtain can billow into the tub. It utilizes concepts of air pressure, the pressure-gradient force, the Bernoulli effect, and horizontal vortexes. Read more.

This article explains why opening one door to a room can sometimes automatically shut another door to the room. It utilizes concepts of air pressure and the pressure-gradient force. Read more.

This article explains why compressed air cans feel cold after using them. It utilizes concepts of thermodynamics including heat energy and the Joule-Thomson effect. Read more.

This article explains why a hot cup of water can hold more water than a cup of room-temperature water without spilling over. It utilizes concepts of surface tension, molecules, Coulomb's law, and electrical attraction. Read more.

This article explains why a squirrel is always able to survive a fall. It utilizes concepts of kinematics, drag-force, and terminal velocity. Read more.

This article explains at what angle a hunter should angle his bow and arrow in order to hit a monkey while it falls from a tree. It utilizes concepts of kinematics, gravitational acceleration, and wind resistance. Read more.

This article explains how a motorcyclist can change the angle of inclination of his motorcycle while in the air. It utilizes concepts of angular velocity, moment of inertia, and angular momentum. Read more.

This article explains why an ice skater can increase her rotational speed by bringing her arms closer to her body. It utilizes concepts of angular velocity, moment of inertia, and angular momentum. Read more.

This article explains why a tic-tac's second bounce can reach a higher maximum height than that of the first bounce. It utilizes concepts of kinetic, rotational, and gravitational potential energy. Read more.

This article finds the maximum possible overhang created by stacking an infinite amount of blocks off the edge of a table. It utilizes concepts of center of mass and gravity to obtain a solution. Read more.

This article explains why a reflection on the front of a spoon is upside down, but a reflection on the back isn't. It utilizes elementary optics and ray-tracing diagrams to describe the path of light. Read more.

This article explains why we see glimmering heat hazes and mirages in regions of high temperature. It utilizes concepts of refraction and snell's law to describe the path of light. Read more.

This article explains why a person's tongue gets stuck to a frozen pole and how to remove it once stuck. It utilizes the second law of thermodynamics, thermal equilibrium, and heat transfer. Read more.

This article provides three ways in which one can differentiate a hard-boiled egg from a raw egg without breaking them. It utilizes concepts of inertia, rotational energy, and center of mass. Read more.

This article explains why a ping pong ball hovers directly above a straw when you blow under it. The ball stays in the same position despite horizontal fluctuations, as if it was held in place by invisible walls. The explanation uses basic fluid dynamics concepts such as pressure and Bernoulli's Principle. Read more.

This article addresses the similarity between the metric value of gravity on earth and pi squared. It utilizes simple harmonic motion and period to derive an explanation. Read more.

This article answers what order players should stand in to win a Tug of War game. It uses elementary concepts of friction and normal force to describe the possible configurations. Read more.

This article describes why fluids in space take on the shape of a sphere. It covers elementary ideas of surface tension and energy. We briefly cover the principle of least action and the geometry of the sphere. Read more.

This article demonstrates some of the elementary principles of thermodynamics. By using a familiar occurrence and dispelling the common assumption, the article delves into the idea of specific heat capacity or thermal inertia. Read more.

This article explains a very counterintuitive situation in which it seems that a balloon tilts the wrong way. It utilizes concepts of buoyancy, centripetal acceleration, and Einstein's equivalence principle. Read more.

This article explains a situation of fluid statics in which our intuitive perspective tricks us into thinking that ice/water has disappeared. It includes a video showing the change of water level when ice resting in water melts. Read more.

This article goes into the change of air pressure with respect to elevation. It explains a phenomenon that you may have experienced while taking a water bottle into an airplane. Read more.

This article delves into the actual value of the force exerted on objects through air pressure. It recaps an interesting experiment done by Otto von Guericke in 1654 in which even 30 horses could not pull apart two copper spheres held together by only the air. Read more.

This article explores the implications of having a day that is 1.4 Hours long. In fact, it explains why if our days were only this long, humans would be flung off the side of the earth. Read more.