How to understand the principle of Archimedes, buoyancy and how it affects ships, divers, buoys, submarines, hot air balloons and other submerged and floating bodies.
With billions of galaxies in the universe, there is a vast potential for Earth-like planets with intelligent life. But here are the reasons why we may never find it.
The simple RC circuit is a basic system in electronics. This tutorial examines the transient analysis of the circuit as it charges and discharges, explaining the voltage and current waveforms and also covering the solution of the differential equations for the system.
Ballistics is a branch of mechanics which deals with the motion of projectiles launched into the air or space. Solving these type of problems involves using Newton's equations of motion
Man has taken many inspirations for soaring the skies, but nature has held some secrets that we are only now uncovering...
The basics of mechanics, covering forces, mass, acceleration, motion, friction, torque, weight, vectors and laws of motion.
Paper cranes and little boats are the easy parts of origami. Wait until you see the surprising connections it and kirigami have to physics!
Why does time only go forward? Is there some attracting force? "Time Gravity" is my theory that affects the direction of time—keeping it going only in one direction.
Dark matter and dark energy are still huge mysteries in astrophysics. Alternate theories exist to help explain them.
The concept of emptiness in physics is enormous. There is mostly physical nothingness in the entire universe. Follow along with me as I explain this.
Carbon is a pretty amazing material that as you will see is offering some amazing changes to technology.
Students have an excellent chance of doing well on a physics exam if they work efficiently throughout the physics course and follow some tips for writing exams.
Water has some properties that can make it a good refrigerant. It also possesses some undesirable properties that makes its application as a refrigerant very challenging and inefficient to implement.