See Jupiter’s Psychedelic Auroras Like Never Before
Using Hubble's ultraviolet capabilities, the light show comes to life. First discovered in 1979 by NASA's Voyager 1 spacecraft, the auroras were then photographed in collaboration with Cassini in 2000...
Earth's Magnetic Field Is Collapsing, Scientists Say Our Planet's Poles Are About To Flip
According to scientists, Earth's magnetic field is collapsing and our planet's poles are about to flip which could cause catastrophic events on our planet.
Earth Not Due For A Geomagnetic Flip In The Near Future
The intensity of Earth’s geomagnetic field has been dropping for the past 200 years, at a rate that some scientists suspect may cause the field to bottom out in 2,000 years, temporarily leaving the pl...
Tiny, Ultracool Star Is Super Stormy
Our Sun is a relatively quiet star that only occasionally releases solar flares or blasts of energetic particles that threaten satellites and power grids. You might think that smaller, cooler stars wo...
X-ray Microscope Reveals 'Solitons,' A Special Type Of Magnetic Wave
Researchers used a powerful, custom-built X-ray microscope at the Department of Energy's SLAC National Accelerator Laboratory to directly observe the magnetic version of a soliton, a type of wave that...
Astronomers Peer Inside Stars, Finding Giant Magnets
Astronomers have for the first time probed the magnetic fields in the mysterious inner regions of stars, finding they are strongly magnetized. Using a technique called asteroseismology, the scientists...
Magnetic Wormhole Created In Lab
Ripped from the pages of a sci-fi novel, physicists have crafted a wormhole that tunnels a magnetic field through space. "This device can transmit the magnetic field from one point in space to another...
Superconductivity Record Sparks Wave Of Follow-Up Physics
Hydrogen sulfide — the compound responsible for the smell of rotten eggs — conducts electricity with zero resistance at a record high temperature of 203 kelvin (–70 °C), reports a paper published toda...
Aurora Found Around Brown Dwarf Beyond Our Solar System
An aurora has been spotted outside our Solar System for the first time, scientists report. An international team detected the light display around a brown dwarf about 18 light years away in the Lyra c...
Lexus Says It Built A Real Hoverboard
We may not have flying cars yet, but we may finally be getting a hoverboard. Lexus has built a functional prototype of a hoverboard, and it looks just about as impressive as Lexus cars. The company re...
Researchers Discover Expanding, Energy-Efficient Magnets
Researchers have discovered a new class of magnets that swell when placed in a magnetic field and have a small heat signature, attributes that scientists believe will make a variety of energy-harvesti...
Magnetism
The Tabletop Explainer is an intermittent educational vlog presenting answers to viewer questions, brief science lessons, and ideas for teachers and students...
Magnetic alloy
A magnetic alloy is a combination of various metals from the periodic table that contains at least one of the three main magnetic elements: iron (Fe), nickel (Ni), and cobalt (Co). Such an alloy must ...
Magnetism
Magnetism is a class of physical phenomena that are mediated by magnetic fields. Electric currents and the fundamental magnetic moments of elementary particles give rise to a magnetic field, which ac...
Magnetism - Wikipedia
Long wavelength limit
In electricity and magnetism, the long wavelength limit is the limiting case when the wavelength is much larger than the system size. This corresponds to the quasi-static case, and reduces to electros...
Thermal Hall effect
The thermal Hall effect is the thermal analog of the Hall effect. Here, a thermal gradient is produced across a solid instead of an electric field. When a magnetic field is applied, an orthogonal te...
Permittivity
In electromagnetism, absolute permittivity is the measure of the resistance that is encountered when forming an electric field in a medium. In other words, permittivity is a measure of how an electric...
Permittivity - Wikipedia
Coefficient of thermal expansion
Thermal expansion is the tendency of matter to change in volume in response to a change in temperature, through heat transfer.Temperature is a monotonic function of the average molecular kinetic energ...
Coefficient of thermal expansion - Wikipedia
Magnetic flux
In physics, specifically electromagnetism, the magnetic flux (often denoted Φ or ΦB) through a surface is the surface integral of the normal component of the magnetic field B passing through that surf...
Magnetic flux - Wikipedia
Levitation
Levitation (from Latin levitas "lightness") is the process by which an object is held aloft, without mechanical support, in a stable position.Levitation is accomplished by providing an upward force th...
Levitation - Wikipedia
Mictomagnetism
Mictomagnetism is a spin system in which various exchange interactions are mixed. It is observed in several kinds of alloys, including Cu-Mn, Fe-Al and Ni-Mn alloys. Cooled in zero magnetic field, the...
Polyvinylidene fluoride
Polyvinylidene fluoride, or polyvinylidene difluoride (PVDF) is a highly non-reactive and pure thermoplastic fluoropolymer produced by the polymerization of vinylidene difluoride.PVDF is a specialty p...
Polyvinylidene fluoride - Wikipedia
Fermi contact interaction
The Fermi contact interaction is the magnetic interaction between an electron and an atomic nucleus when the electron is inside that nucleus. The parameter is usually described with the symbol A and ...
Fermi contact interaction - Wikipedia
Edwin Hall
Edwin Herbert Hall (November 7, 1855 – November 20, 1938) was an American physicist who discovered the "Hall effect". Hall conducted thermoelectric research at Harvard and also wrote numerous physics ...
Edwin Hall - Wikipedia
Microwave heat distribution
The microwave heat distribution is a term for the actual distribution (allocation) of the heat release inside the microwave absorptive material irradiated with high intensive microwaves.The pattern o...
NASICON
NASICON is an acronym for sodium (Na) Super Ionic CONductor, which usually refers to a family of solids with the chemical formula Na1+xZr2SixP3-xO12, 0 < x < 3. In a broader sense, it is also u...
Lithium niobate
Lithium niobate (LiNbO3) is a compound of niobium, lithium, and oxygen. Its single crystals are an important material for optical waveguides, mobile phones, piezoelectric sensors, optical modulators a...
Lithium niobate - Wikipedia
Copper(I) iodide
Copper(I) iodide is the inorganic compound with the formula CuI. It is also known as cuprous iodide. It is useful in a variety of applications ranging from organic synthesis to cloud seeding.Pure co...
Copper(I) iodide - Wikipedia