Tonight’s selections from Australian rockers Eddy Current Suppression Ring’s 2008 album; Primary Colours. And science!
The four members of Eddy Current Suppression Ring all worked for a vinyl pressing plant outside Melbourne, Australia. Six years ago, as their company Christmas party wound down, the four began jamming drunkenly together. They'd never penned a song or been in a band. Impromptu frontman Brendan Suppression simply ad-libbed lyrics into a tape recorder. Somewhere in there, more than just chemistry took hold. They settled on one questionable band name, an electrical circuitry term that also yielded three individual monikers: guitarist Eddy Current, drummer Danny Current and Brendan Suppression. Bassist Rob Solid held out. They released a spate of 7" singles on their own with relative ease. Then they unleashed two mighty full-lengths that until recently have never been available outside of their native Australia at the same time. Both are primal slabs of minimalist guitar music.
Primary Colours is a very natural, even artfully polished extension of its predecessor. The DNA remains the same, just married with less hitches. As "Memory Lane" opens with nearly identical chopping, Suppression makes a difference by slowing his roll. Always dynamic, he presents himself here as an insightful drunk rather than just a drunk. Take the way "Wrapped Up" runs along some really beautiful ribbons of guitar melody for instance, Suppression going so far as to harmonize the equally warm refrain. "Colour Television" hits harder and with more menace than anything they've done yet, but there's a softening of edges taking place throughout, a band testing limits after having already refined them. Current in particular is able to dictate the climate, forcing the band out of the garage and suggesting they never go back. — Pitchfork
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Memory Lane [2008]
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What are Eddy Currents? – Definition, Causes, Applications
A current that originates in an exceeding conductor in reaction to a changing magnetic field is known as an eddy current. They circulate in tight loops extremely parallel to the magnetic field plane. According to Lenz’s law, this current swirls in the most basic way possible to generate a magnetic field that opposes the change; in an exceeding conductor, electrons swirl on an excessively plane perpendicular to the magnetic field. Eddy currents are the result of this phenomenon, which was discovered by physicist Foucault in 1819-1868.
Eddy currents flow through conductors like whirling eddies in a stream, and they are frequently formed in reaction to a changing magnetic field. They flow in closed loops perpendicular to the plane of the magnetic field plane, caused by changing magnetic fields. These are also known as Foucault’s Currents. — Geeks For Geeks
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Wrapped Up [2008]
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Coils, currents, conductors, blah blah blah! What’s the use?
Applications of Eddy Currents
Braking Mechanism in Trains- Metal wheels on trains run on metallic tracks. When the brakes are applied, the trains’ metal wheels are exposed to a magnetic field, which induces eddy currents in the wheels. As a result of the magnetic interaction between the applied magnetic field and the eddy currents created in the wheels, the trains slow down. This impact becomes greater as the wheels begin to spin quickly, and as the train slows, the braking force reduces, bringing the train to a smooth stop.
Damping in Galvanometers- Eddy currents are crucial in the construction of deadbeat galvanometers. Before coming to rest, the galvanometer needle often travels back and forth about its equilibrium point. This oscillation of the needle results in a perceptible delay in recording the reading. By winding a coil-over nonmagnetic metal frame, this delay may be eliminated. As the coil is deflected, eddy currents are created in the metallic frame, bringing the needle to rest without delay. The action of the coil is dampened here. In reality, some galvanometers are built out of coils composed of nonmagnetic materials. Eddy currents formed in the coil as a result of the coil’s oscillation tend to resist the motion of the coil, putting it to a stop very instantly.
Electricity Meters at Home- In our homes, a mechanical meter revolved a little bright metal disc owing to the generated electric currents. These currents in the meters are caused by the changing magnetic field.
Furnace Based on Induction- Huge-eddy currents form in rapidly changing magnetic fields as a result of the large emf generated. Eddy currents generate heat, causing the temperature to rise. In reality, a considerable amount of heat produced in an induction furnace elevates the temperature to a very high value. A coil is induced over the component metal and put in a high-frequency magnetic field. The resulting temperatures are high enough to melt the metal. This method is frequently used to extract metals from their ores. Induction furnaces are used to create alloys.
Speed Indicators in Cars- Every vehicle we use for transportation has a speedometer, which tells us how fast the vehicle is travelling at any particular time. It has a magnet that rotates in response to the vehicle’s speed. Eddy currents are created in the drum, and when the drum travels in the direction of the revolving magnet, the connected pointer moves across the scale, showing the vehicle’s speed.
Rides in Amusement Parks- The braking system of amusement park rides is based on eddy currents, which allows for considerably smoother and contactless stopping.
Non-destructive Testing- Eddy currents are used to identify flaws in huge structures or machinery such as aeroplanes. A change in the magnetic field at a location, as indicated by a change in the number of induced eddy currents, will be observed everywhere there is an irregularity in the metal surface.
Cookers- Induction-based cookers utilise the heating effect caused by transforming electrical energy into heat energy. Over the induction cooktops, utensils with metal plate bases are put. Copper coils are inserted beneath ceramic plates in these cooktops. When an alternating current is fed via a coil, the oscillating magnetic fields created cause eddy currents in the metal plate of the utensils, which warms the utensils. — Geeks For Geeks
All of the songs on this album are a slow burn. Minimal rockers which take a minute or so to start sinking in. A bit like Wire.
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Colour Television [2008]
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WHO’S TALKING TO WHO?
Jimmy Kimmel: Arnold Schwarzenegger, Rachel Wolfson
Jimmy Fallon: Pre-empted
Stephen Colbert: Kristen Stewart, Jonathan Van Ness (R 1/24/22)
Seth Meyers: Pre-empted
James Corden: Lily Collins, William Jackson Harper, St. Vincent (R 1/4/22)
Trevor Noah: Ahmir "Questlove" Thompson
SPOILER WARNING
A late night gathering for non serious palaver that does not speak of that night’s show. Posting a spoiler will get you brollywhacked. You don’t want that to happen to you. It's a fate worse than a fate worse than death.
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The Modern Lovers :: Roadrunner [1972]
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LAST WEEK’S POLL: WINTER OLYMPIC SPORT
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