coreless

The only issue with this method is that the wire, and permeable material used to hold the magnetic field take up a large surface area (even a “flat” induction device like this is big and heavy), that is, if the coupling is done at the standare rate of 60hz (here in the US), but at higher frequencies you use the equivalent of a “coreless transformer”, and that indeed is light.

Dell Laptop Aims to Impress Impression Makers - Bits Blog - NYTimes.com 2009

Say you're planning a dinner party, an important institution for binding people together in this coreless city.

Michael Sigman: 'No' Hollywood Style 2009

The phenomenon called “coreless winter” in the antarctic demonstrates a radiative equilibruim during winter with downwelling radiation.

Hits « Climate Audit 2005

Adhering to a rock by a short stumpy stalk, sometimes sealed firmly to a loose stone, you may find an object in form and structure resembling an elongated, coreless pineapple, composed of

The Confessions of a Beachcomber 2003

All that I have said in favor of the model vortex gas composed of perforated solids with fluid circulations through them holds without modification for the purely hydro-kinetic model, composed of either Helmholtz cored vortex rings or of coreless vortices, and we are now troubled with no such difficulty as that of the impacts between solids.

Scientific American Supplement, No. 460, October 25, 1884 Various

It seems to me most probable that the vortex theory cannot fail in any such way, because all I have been able to find out hitherto regarding the vibration of vortices, [2] whether cored or coreless, does not seem to imply the liability of translational or impulsive energies of the individual vortices becoming lost in energy of smaller and smaller vibrations.

Scientific American Supplement, No. 460, October 25, 1884 Various

Cut the quinces -- peeled and coreless -- in very thin slices and put them on the fire with a glass of water, supposing the quantity to be about two pounds.

The Italian Cook Book The Art of Eating Well Maria Gentile

Adhering to a rock by a short stumpy stalk, sometimes sealed firmly to a loose stone, you may find an object in form and structure resembling an elongated, coreless pineapple, composed of a leathery semi-gelatinous, semi-transparent substance, dirty yellow in colour.

Confessions of a Beachcomber 1887

'Amsterdam Forcing', a fast-maturing, almost coreless cylindrical carrot, or the more pointed 'Nantes Early 2' are both excellent if sown early.

Telegraph.co.uk: news, business, sport, the Daily Telegraph newspaper, Sunday Telegraph 2010

Nearly coreless, ie, no pithy well defined core as is found in some varieties, the Nantes is a nice carrot for eating out of hand.

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