The year 1905 is referred to as Albert Einstein's annus mirabilis (miracle year). Over the course of a year Einstein published four groundbreaking papers in physics. In doing this he announced his genius to the world and began his career as one of the world's most respected scientists.
Particle physics is full of surprises, but to discover a location of tranquility in a storm of instability is amazing. Yet that is exactly what the island of stability is.
Taking complicated topics like quantum mechanics and molecular biology sounds daunting at best. What headway can we make on this?
Nanotechnology is not a complicated notion, but it sure can sound fancy. If you've heard about it but you'd like to learn a little more, here's a quick primer on nanotech.
Yes, it's a film title, but terminal velocity is also the maximum velocity reached by an object as it falls through a fluid. This article explains how it works.
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.
While we all enjoy a good bowl of popcorn, few know of the mechanics that cause popcorn to form in the first place.
More than half of PhD students leave physics after earning their degree. The reasons include a lack of financial reward or job security.
Often thought of as impenetrably difficult and complex, Physics explains the inner workings of the Universe...and your wireless network...and boomerangs...and electricity. This hub looks at ten of the best questions asked of me this year.
Nuclear power plants are based around the energy produced by nuclear fission. What is nuclear fission and what are the components within a reactor that enable and control the unstable fission process?
Why are high energy particle accelerators, such as the LHC at CERN, required to study modern particle physics? What are the different types of particle accelerator? Do particle accelerators have other benefits to society outside of scientific research?
Though something we cannot hold in our hands, we may feel time slip away. But what is it? And after all is done, do we want to know?
This space observatory got its roots in a hidden frontier of light, and now continues to make advances into the x-ray world.
One of the most important theories in physics is Albert Einstein's theory of special relativity. The theory of special relativity (and its equations) explained how space and time are actually intrinsically linked to each other, instead of being two separate concepts.
A short explanation of the protocol for quantum teleportation. Quantum teleportation is a quantum computing technique that allows qubits to be sent over large distances.
Many have heard of the amino acid experiment done to show how the building blocks of life began, but let us go even deeper and see if we can uncover the physics which cause life to arise in the first place.
Already a complicated subject, black holes get even weirder when viewed through the lens of string theory. Read on for some odd possibilities for what black holes really are.
Ice is a magical material. Seriously, it is the underpinning of many basic functions on Earth. But where are the extremes that defy our conventional thoughts?
According to current physics, equal amounts of matter and antimatter should have been created during the Big Bang, but yet it was not. No one knows for sure why, but many theories exist to explain it.
A neutrino is a unique type of subatomic particle that is more mysterious than the other more well known particles. How were they discovered and what are their possible uses in the future?
Sound is a physical and psychological experience. If the brain goes without stimuli, it will produce its own in the form of hallucinations. Even deaf people experience tinnitus, but is this technically sound. This article defines sound and examines what an experience of true silence might be like.
Gamma Ray Spectroscopy - An introductory review of germanium gamma ray detectors, and the spectroscopic methods used in the measurement of x-ray escape peaks, annihilation photons, peak summing, energy resolution, and total and photopeak efficiency.
What are Decibel levels and why are they so important? How can you measure them and when are they too "loud"?
Noise is a term that is used to describe unwanted sounds. Sound is energy in the form of vibrations or oscillitation.
Exploring the incorrect theories of lift and describing what really happens to an aeroplane wing in the air...
Paper cranes and little boats are the easy parts of origami. Wait until you see the surprising connections it and kirigami have to physics!
The relationship between temperature and volume is described by one of the pieces of the ideal gas law, also called Charles's law.
Though it works great on the quantum level, we have yet to see this work on the macro level. Is gravity the key to solving this mystery?
Every scientific road needs applications. Chaos is no different, and some led to further insights into the discipline. Here are a few of them...
The first calipers were seen in China and were used for not only measurements but as a directional compass for ships at sea. This hub provides a list of different calipers and how they are used.
Dark matter and dark energy are still huge mysteries in astrophysics. Alternate theories exist to help explain them.
Test which surfaces create more friction, see how strong friction is, learn how to reduce friction, and even discover the side effects of friction. There are sliding friction experiments, a phone book friction experiment, a way to make rice stick together, an experiment to create frictional heat, and lots more friction experiments for all ages.
Though still mysterious, this hot field of science may be the keystone to physics or send it spiraling into chaos.
The standard model is a particle physics theory that tries to describe the fundamental building blocks of our universe. It does this by categorising the different types of elementary subatomic particles and the forces that can occur between them.
The physics of a waterfall are curious. The second law of thermodynamics says that things tend toward a more disordered state. Is the second law saying that destruction (erosion) wins over creation?
Often considered a different state of matter, the BEC reveals many interesting physics of the bizarre.
Quantum computing is a new type of computation based upon the physics of quantum mechanics. What are the basic principles that are utilised by a quantum computer? Can we actually build a quantum computer and what could it used for in the future?
Galileo, the great prototype for all scientists, made many discoveries in physics and astronomy. But whose work did he build off of?
You are walking down the road when, "eek!" you fall into a huge pool of quicksand. There is nobody near enough to hear your cries for help. How will you escape? Can you really drown in quicksand? How can your practice escaping from quicksand from the safety of your own home? This recipe for Cornstarch Quicksand is very similar to the real thing, it is easy to make, and it even lets you walk on water.
Levers can be found everywhere and have been used since ancient times. But why do we use them and what is the science behind how they work?
A detailed overview on the working of magnets whether you're looking for examination help, project guidance or knowledge to satisfy your curious mind.
Such a small difference can make a huge impact on physics. The neutron has done that, and a resolution to this problem isn't going to be easy to find.
Learn how you can accomplish the various methods of interconnecting batteries, to make them suitable for your DC powered loads.
TRIUMF is a facility for research in particle physics and accelerator-based science. It contains the largest cyclotron in the world and produces medical isotopes. It's located in Vancouver, British Columbia.
Like many aspects of particle physics, electrons offer their own unique problems. Here is a sampling of some of the most interesting ones.
It is important to note that science is not a perfect endeavor, for scientists on occasion do get things wrong. Even Einstein did not always get it right every time, suggesting that Einstein wasn't always an Einstein.
Time is a real component of physical reality, non-spatial and immaterial. It's a core dimension of the universe, underlying change and causation. Time is unique and indispensable, embedded in everyday experience and science's conceptualization of the universe.
Galileo not only spotted new objects in the sky but also laid the groundwork for advancements in physics. What were they?
In every theory, certain tools are indispensable. Chaos theory is no different, and without phase portraits or phase space we would be dead in the water.
There are three main types of nuclear radiation. What causes this radiation to be produced? What are the dangers and uses of nuclear radiation?
Free physics problems help online with solutions on average velocity and average speed that walk you through each problem.
Are atomic bombs ethical? This article debates the morality and ethical principles that surround the controversy about nuclear weapons.
Often a headache, time paradoxes are hard to fully delve into. Lets try and take a look at a few of them and see what we can learn from them.
In the search for dark matter, many different possibilities exist. One of these is axions, and their potential is real.
Amazingly, under the right conditions a group of atoms can behave like an individual atom and become a superatom.
A magnet is an object that has a magnetic field strong enough to influence other materials. The molecules in a magnet are aligned to all face one way, which gives the magnet its magnetic field. Sometimes the molecules can align permanently, making a...
Involving many principles of science, this particular paradox follows a consequence of black hole mechanics and has far-reaching implications, no matter what the solution is.
A summary of the Franck-Hertz experiment and how it helped to demonstrate the early quantum theory. Explanations are given for the apparatus used and the graphs that are obtained from the experiment.
The matter around you is composed of atoms but if we delve deeper we can find subatomic parts made of quarks and gluons. But they don't work according to our current understanding of physics.
When asked why the sky is blue, most people are able to come up with a vague statement about some gas called ozone being blue. The real answer, however, is much more interesting.
All boundaries reveal new phenomenon and these are no exception. Learn more about the odd physics of pulsars.
We may be on the threshold of some serious answers to how physics is all connected. But first, we need to do some testing and find out our viable options.
Wheels can be found everywhere and have been used since ancient times. But why do we use them and what is the science behind how they work?
High rupturing capacity (HRC) fuses are totally enclosed fuses with definite known- high breaking capacity which have been developed after intensive research by manufacturers and supply engineers.
Understanding the structure of the Universe seems impossible. But through clever science and surprising math, a pattern emerges: The Cosmic Web.
Part of an overview of the physics and mathematics pertaining to naturally occurring constants. Natural constants pertaining to Vacuum permeability and permittivity.
Carbon is a pretty amazing material that as you will see is offering some amazing changes to technology.
Scientists have their own way to talk about black holes. Want to expand your ability to do just that? Read on to find out how...
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.
While it may ultimately prove to be wrong, scientists know of several ways to test for string theory using many conventions of physics.
The simple RC circuit is a basic system in electronics. This tutorial examines the transient analysis of the circuit as it charges and discharges in response to a step voltage input, explaining the voltage and current waveforms and deriving the solution of the differential equations for the system.
Another day, another particle physics mystery to unwrap. Let's see what beauty hadrons reveal about the Universe!
Students usually make unnecessary mistakes in their examinations that cost them precious marks. These are some of the common errors they make in their electricity and magnetism exams.
The farm boy from New Zealand, Ernest Rutherford, would go on to uncover the inner mysteries of the atom and become the father of nuclear physics.
Speed can be measured in many different ways and the instruments used to measure speed vary with the job.
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.
Man has taken many inspirations for soaring the skies, but nature has held some secrets that we are only now uncovering...
In this article, we'll look at the derivation of Albert Einsteins famous equation E = MC2 show how you can come up with it using simple algebra and Pythagorean's Theorem.
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.
Photons are hard to understand. They are even more challenging now after these newest discoveries which are analyzed here.
X-rays are a great tool for science, and so are lasers. So combine them and what do you got? Some awesome physics.
Complicated? Yes. Possible to understand? For sure. Surprising results? Of course! The road to chaos is mapped here.
We all know the pull of gravity that the Earth exerts on us. What we may not realize are the unforeseen consequences that range from our everyday lives to some strange hypothetical scenarios.
What started as a simple verification of a long standing value in particle physics may hint at new possibilities unknown to scientists at this time.
As we gain deeper understanding of quantum systems, technology will also improve because of it. SQUIDs are but one example of this fascinating field.
A description of the historic oil drop experiment that was performed by Robert Millikan to determine the electrical charge of the electron. Included is a diagram of the apparatus used and a discussion of the forces acting on the oil droplets.
Cosmological mysteries are numerous, incredible in size, and the possible explanations for them are just as bountiful. Let's explore the supervoid, one of those mysteries, and see what it could be...
Everyone has heard of the Big Bang Theory, but what about possible alternatives? Read on to learn more.
This article answer the questions: "What is Physics?" and "What are the branches of Physics?" Learn about what physics is and its many different branches.
While we don't know if they exist, the physics of tachyons would bring much excitement to science. But what are they?
Is it possible to travel through time? Perhaps it will be in the future, but a lot of technological hurdles must be overcome before time travel can become a real possibility.
These particles are a huge component of modern particle physics, but boy are they a pain to comprehend!
Time is not a material thing. You can't manipulate it as you can with any physical object. It just slips away. So I examine if it's just an illusion?
A basic easy learning and revision guide to chaos theory. I’ve tried to make this article easy to follow by using my own learning techniques i.e. very simple and without repetition.