Convection Quotes

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IF you remember every word in this book, your memory will have recorded about two million pieces of information: the order in your brain will have increased by about two million units. However, while you have been reading the book, you will have converted at least a thousand calories of ordered energy, in the form of food, into disordered energy, in the form of heat that you lose to the air around you by convection and sweat. This will increase the disorder of the universe by about twenty million million million million units - or about ten million million million times the increase in order in your brain - and that's if you remember everything in this book.
Stephen Hawking (A Brief History of Time)
Examples of such self-reorganization abound in Order Out of Chaos. Heat moving evenly through a liquid suddenly, at a certain threshold, converts into a convection current that radically reorganizes the liquid, and millions of molecules, as if on cue, suddenly form themselves into hexagonal cells.
Ilya Prigogine (Order Out of Chaos: Man's New Dialogue with Nature (Radical Thinkers))
The lightwires slung past in shallow convections pole to pole and the loneliness rode in his stomach like an egg.
Cormac McCarthy (Suttree)
you remember every word in this book, your memory will have recorded about two million pieces of information: the order in your brain will have increased by about two million units. However, while you have been reading the book, you will have converted at least a thousand calories of ordered energy, in the form of food, into disordered energy, in the form of heat that you lose to the air around you by convection and sweat.
Stephen Hawking (A Brief History of Time)
Ehric frowned as he peeled a Post-It note off the package. "Preheat to three seventy-five." His brother went to the wall ovens and began pushing buttons. "Convection?" "Doesn't say." "Damn it." Under and other circumstances, Assail would have found it impossible to believe that Ecale was wasting his meager urge to speak on cooking. But Marisol and her grandmother had changed everything ... for the short time they had been here.
J.R. Ward
Are you sick?” he asked, looking me up and down. “Wait, you’re not planning to eat that potato in your bag, are you? ’Cause we just sold your microwave and your convection oven.” “It’s not for eating!” I cried. “That’s my magic potato!
Rachel Aaron (Part-Time Gods (DFZ, #2))
The assumption is that the convecting fluids in the Earth act somehow like the currents in wires. Exactly what happens isn’t known, but it is felt pretty certain that it is connected with the core spinning and with its being liquid. Bodies that don’t have a liquid core—the Moon and Mars, for instance—don’t have magnetism.
Bill Bryson (A Short History of Nearly Everything)
And Lotto beamed with pleasure, preening, eyes darting around to see which kind soul in the room could have sent along the champagne, the force of his delight such that wherever his eyes landed, the recipients of the gaze would look up out of their food and conversation. and a startled expression would come over their face, a flush, and nearly everyone began grinning back, so that on this spangled early evening with the sun shining through the windows in gold streams, and the treetops rustling in the wind, and the streets full of congregating, relieved people, Lotto sparked upwellings of inexplicable glee in dozens of chests, lightening the already buoyant mood in one swift wave. Animal magnetism is real. It spreads through bodily convection. Even Ariel smiled back. The stunned grin stayed on the faces of some people, an expressions of speculation growing, hoping he would look at them again, or wondering who he was because on this day, and in this world, he was someone.
Lauren Groff (Fates and Furies)
The Tull-Toks claim that everything in the universe can be read. Each star is a living text, where the massive convection currents of superheated gas tell an epic drama, with the starspots serving as punctuation, the coronal loops extended figures of speech, and the flares emphatic passages that ring true in the deep silence of cold space. Each planet contains a poem, written out in the bleak, jagged, staccato rhythm of bare rocky cores or the lyrical, lingering, rich rhymes—both masculine and feminine—of swirling gas giants. And then there are the planets with life, constructed like intricate jeweled clockwork, containing a multitude of self-referential literary devices that echo and re-echo without end.
Ken Liu (Lightspeed Magazine, August 2012)
Funny thing about Gabby: you wouldn’t know it from looking at him, with his golden halo and platonic beauty, but the guy was something of a pack rat. He’d been collecting little odds and ends since at least the double-digit redshifts. The interior reality of Gabriel’s Magisterium burbled and shifted like convection currents in a star on the zaftig end of the main sequence. Because, I realized, that’s what they were. Dull dim light, from IR to X-ray, oozed past me like the wax in a million-mile lava lamp while carbon, nitrogen, and oxygen nuclei did little do-si-dos about my toes. Every bubble, every sizzle, every new nucleus, every photodissociation tagged something of interest to Gabriel. The heart of this star smelled of roses and musty libraries.
Ian Tregillis (Something More Than Night)
The progress of the human race in understanding the universe has established a small corner of order in an increasingly disordered universe. If you remember every word in this book, your memory will have recorded about two million pieces of information: the order in your brain will have increased by about two million units. However, while you have been reading the book, you will have converted at least a thousand calories of ordered energy, in the form of food, into disordered energy, in the form of heat that you lose to the air around you by convection and sweat. This will increase the disorder of the universe by about twenty million million million million units—or about ten million million million times the increase in order in your brain—and that’s if you remember everything in this book.
Stephen Hawking (A Brief History of Time)
I was standing lost, sunk, my hands in my pockets, gazing toward Tinker Mountain and feeling the earth reel down. All at once, I saw what looked like a Martian spaceship whirling towards me in the air. It flashed borrowed light like a propeller. Its forward motion greatly outran its fall. As I watched, transfixed, it rose, just before it would have touched a thistle, and hovered pirouetting in one spot, then twirled on and finally came to rest. I found it in the grass; it was a maple key…Hullo. I threw it into the wind and it flew off again, bristling with animate purpose, not like a thing dropped or windblown, pushed by the witless winds of convection currents hauling round the world’s rondure where they must, but like a creature muscled and vigorous, or a creature spread thin to that other wind, the wind of the spirit that bloweth where it listeth, lighting, and raising up, and easing down. O maple key, I thought, I must confess I thought, o welcome, cheers. And the bell under my ribs rang a true note, a flourish of blended horns, clarion, sweet, and making a long dim sense I will try at length to explain. Flung is too harsh a word for the rush of the world. Blown is more like it, but blown by a generous, unending breath. That breath never ceases to kindle, exuberant, abandoned; frayed splinters spatter in every direction and burgeon into flame. And now when I sway to a fitful wind, alone and listing, I will think, maple key. When I see a photograph of earth from outer space, the planet so startlingly painterly and hung, I will think, maple key. When I shake your hand or meet your eyes, I will think two maple keys. If I am maple key falling, at least I can twirl. Thomas Merton wrote, “There is always a temptation to diddle around in the contemplative life, making itsy-bitsy statues.” There is always an enormous temptation in all of life to diddle around making itsy-bitsy friends and meals and journeys for itsy-bitsy years on end. It’s no self-conscious, so apparently moral, simple to step aside from the gaps where the creeks and winds pour down, saying, I never merited this grace, quite rightly, and then to sulk along the rest of your days on the edge of rage. I won’t have it. The world is wilder than that in all directions, more dangerous and bitter, more extravagant and bright. We are making hay when we should be making whoopee; we are raising tomatoes when we should be raising Cain, or Lazarus. Ezekiel excoriates false prophets who have “not gone up into the gaps.” The gaps are the thing. The gaps are the spirit’s one home, the altitudes and latitudes so dazzlingly spare and clean that the spirit can discover itself for the first time like a once blind man unbound. The gaps are the cliffs in the rock where you cower to see the back parts of God; they are the fissures between mountains and cells the wind lances through, the icy narrowing fjords splitting the cliffs of mystery. Go up into the gaps. If you can find them; they shift and vanish too. Stalk the gaps. Squeak into a gap in the soil, turn, and unlock- more than a maple- a universe. This is how you spend the afternoon, and tomorrow morning, and tomorrow afternoon. Spend the afternoon. You can’t take it with you.
Annie Dillard (Pilgrim at Tinker Creek)
There are only four ways to move heat around: convection, conduction, transport, or radiation.
John Sandford (Saturn Run)
Ever since she started designing the flyers for Claire, she's decided she wants to learn how to cook. She spent twenty minutes the other day looking up a recipe online for frosting made with confederate sugar." Laughter bubbled out of me and I got back to work on the car. "Did you tell her to try looking in the Deep South for that sugar? You might also want to warn her about the Rebel sugar," I laughed. "Come on, man. Don't be a dick. I didn't have the heart to tell her it was called convection sugar." Nope, not going to touch that one.
Tara Sivec (Seduction and Snacks (Chocolate Lovers, #1))
The walls were painted a robin's-egg blue. Antique wood-and-glass display cases had mottled milk chocolate-brown marble countertops. Antique iron-and-glass stands would make the future little cakes (under their glass domes) pop up and down on the counter like jaunty hats. From the top of the left wall of the bakery, Gavin had hung a canvas curtain and arranged a display area in front of it. Both the curtain and display would change each month- as would, of course, the colors and flavors we showcased. The idea was to sell not only cakes, but also cake stands, serving pieces, plates, paper napkins, and other goodies, so once your little cakes got home, they'd look as good as they did in my bakery. One-stop shopping. On the right, Gavin had arranged a seating area with dark bentwood chairs and cafe tables. It looked like a tea salon in Paris. I sighed with delight. But I wanted to see where I would spend most of my time. The work and storage areas were screened off in the back, although I would have been happy to show off my two Vulcan convection-ovens-on-wheels and the big stainless steel worktable with the cool marble slab at one end for chocolate work. The calm milk-chocolate plaster walls, stainless steel, and white marble made the workspace look like a shrine to the cake baker's art.
Judith M. Fertig (The Cake Therapist)
We hear considerable of the "conventional people" of this world, but seldom do we meet with them, for as soon as we begin to know a person we discover peculiarities that quite remove him from the ranks of the convectional if such ranks exist at all.
Edith Van Dyne (Aunt Jane's Nieces on Vacation (Aunt Jane's Nieces, #7))
Carding's robe, for example, had become a silk and lace convection of overpoweringly expensive tastelessness, and gave him the appearance of a big red jelly draped with antimacassars. 'It suits me, don't you think?
Terry Pratchett
She also discovered that he was attracted by the dreadful, among the galactic wares cramming the narrow shops into which they ducked. He actually appeared to seriously consider for several minutes what was claimed to be a genuine twentieth-century reproduction lamp, of Jacksonian manufacture, consisting of a sealed glass vessel containing two immiscible liquids which slowly rose and fell in the convection currents. “It looks just like red blood corpuscles floating in plasma,” Vorkosigan opined, staring in fascination at the under-lit blobs. “But as a wedding present?” she choked, half amused, half appalled. “What kind of message would people take it for?” “It would make Gregor laugh,” he replied. “Not a gift he gets much. But you’re right, the wedding present proper needs to be, er, proper. Public and political, not personal.” With a regretful sigh, he returned the lamp to its shelf. After another moment, he changed his mind again, bought it, and had it shipped. “I’ll get him another present for the wedding. This can be for his birthday.” After
Lois McMaster Bujold (Komarr (Vorkosigan Saga, #11))
Schiacciata (Tuscan flat bread) This recipe will make 2-3 cookie sheets of schiacciata (skee-ah-CHA-ta). You can halve it if you would like less. But it’s so yummy, why would you want to? The dough will keep in the fridge for up 5 days, so make a full recipe and have some now and later.   1 c. Warm water 1 t. Honey 2 t. Yeast   2 c. Warm water 1 T. Salt or garlic salt (I opt for the non-traditional garlic salt.) 4 T. Extra-virgin olive oil 6-8 c. White bread flour Additional olive oil and salt for baking   Proof the yeast in the cup of warm water and honey. Mix with the rest of the ingredients, adding enough flour to make a nice bread dough (just slightly tacky). Knead for five minutes (preferably in a mixer with a dough hook, though you can obvious do this by hand). Let sit for five minutes. Knead for another five minutes until you have a smooth dough. At this point, you can proof the dough until it doubles in size. Or you can put it in the fridge overnight and let it slow proof. In either case, it will take longer than normal to rise, given the low amount of yeast in this recipe. Once the dough has doubled in size, punch it down and divide it into 2 or 3 equal size balls. Coat a cookie sheet with 1-2 T. olive oil. Roll each ball out into a thin layer about 1/4” thick (if you can). This can be frustrating, because the dough will be super elastic and will resist being rolled out. I find it best to roll it out on a lightly floured surface and let the dough sit stretched-out for several minutes before transferring it to a cookie sheet for baking. Drizzle the top with another 1-2 T. olive oil. Let the dough rise until a little puffy. Taking all 10 fingers, press firmly into the top of the dough, pushing all the way down to the pan. Make finger-sized holes every inch or two over the surface. Sprinkle the top with a light dusting of salt or garlic salt (this is optional and go light on it). Bake @ 400 degrees (preferably convection bake, if you have it) for 12-15 minutes or until golden brown. Buon appetito!
Nichole Van (Gladly Beyond (Brothers Maledetti #1))
If we extrapolate this rate of overturn back in geologic time, the ocean floor has apparently been rejuvenated at least two dozen times since the Earth formed. When Earth was younger and hotter, however, the pace of convection may have been faster, and the ocean floor may have been resurfaced more frequently. But this leads to a conundrum: If convection had been faster in the past, as most geoscientists think it was, ocean crust would have arrived at subduction zones at a younger average age, still too hot and buoyant to be assimilated back into the mantle. This suggests that true plate tectonics, with rigid crustal slabs, efficient recycling of ocean crust via subduction, and water-assisted production of low-temperature melts, may not have occurred on the early Earth. Instead, plate tectonics could begin only when the Earth had reached a degree of thermal maturity, probably about 2.5 billion years ago (around the close of the Archean eon and the beginning of the Proterozoic). Before this, Earth's mixer settings—and the extent to which surface water was stirred back into the interior—were probably different. We can look to rocks formed in these distant times, Earth's record of its childhood and youth, for clues.
Marcia Bjornerud (Reading The Rocks: The Autobiography of the Earth)
Three dominant hypotheses explain what drives plate tectonic motion. Each one relies on the convention of the mantle — the movement of heated rock materials beneath earth’s crust — but each one focuses on a different piece of the cycle: Mantle convection hypothesis: This hypothesis proposes that heated materials inside the earth move up and down in a circular motion (like the wax in a lava lamp) and the continental plates resting on this mat-erial are moved in the direction of the circular motion. Ridge-push hypothesis: This hypothesis states that the creation of new rock materials along mid-ocean ridges continually pushes oceanic crustal plates upward and outward, so that the far edges are forced into collisions with other plates. Slab-pull hypothesis: This hypothesis is the opposite of the ridge-push model. It proposes that the heavy, dense outer edges of crustal plates sink into the mantle at plate boundaries and pull the rest of the plate along with them.
Alecia M. Spooner (Geology For Dummies)
Touch me again, Bird Man, I thought urgently. Tell a joke, say anything -- because I was having the convection feeling. As if my skin were rippling, dissolving. Kiwi describes this phenomenon, "convection" {n}, in his Field Notes: the rapid cooling of a body in the absence of all tourists. Even Kiwi, King of Stage Fright, admitted to feeling it on Sunday nights. Convection caused your thoughts to develop an alarming blue tinge and required touch or speech with another human being as its antidote (Seths didn't work, not even my red Seth, I'd tried). Sweating could feel dangerous if you were alone in the swamp, as if droplet by droplet your body might get whisked into the sun.
Karen Russell (Swamplandia!)
You have been educated in judgment, which is the essence of worship. Judgment always occurs in the past. It is past-thinking. Will, free or otherwise, is concerned with the future. Thinking is the performance of the moment, out of which you use your judgment to modulate will. You are a convection center through which past prepares future. —Dwarf MacIntosh, Kelpmaster, from Conversations with the Avata
Frank Herbert (The Ascension Factor (The Pandora Sequence, #3))
The areas affected by cloud seeding remain an open question. In after-the-fact analyses several rain enhancement projects have reported evidence for physical effects outside the area or timing originally designated as the target, or beyond the time interval when seeding effects were anticipated. For example, in recent large particle hygroscopic seeding trials involving warm-base convective clouds in Thailand and Texas, increases in rain were reported 3 to 12 hours after seeding was conducted, well beyond the time at which direct effects of seeding were expected and possibly outside the target area. In Project Whitetop the seeding appears to have decreased rain in the area immediately downwind of the seeding release line. This was followed by apparent rainfall increases well downwind in space and time. Does this mean that the scientists misjudged where seeding materials were actually reaching receptive cloud conditions or does it mean that the primary effects of seeding were followed by secondary effects well beyond the original target? Such secondary effects could occur, for instance, if seeding materials become entrained in a downdraft and then are carried outward into the updraft of other clouds. In the case of the hygroscopic seeding experiments the postulated dynamic effects due to microphysical and dynamical interactions in the cloud and sub-cloud region and with the environment could result in longer-lived or progeny clouds.
Committee on the Status of and Future Directions in U.S. Weather Modification Research and Operation (Critical Issues in Weather Modification Research)
Life is easy to identify but remarkably difficult to define. Too tight a definition excludes what looks like life and too loose captures too much. The capacity to self-replicate is a component of the definition, but not without its problems, as a mule is alive but sterile, and computer software can replicate itself, but we do not, in all honesty, think of it as being alive. It might be tempting to ascribe livingness to an entity that has emerged by evolution, but that would exclude the first living entity and any that we might synthesize from scratch in future. Organisms are organized structures; but so is an integrated circuit. Organisms are organized structures built and sustained by the flux of energy through their interiors and its dissipation into the surroundings; but so are the patterns of convection that can arise in heated liquids and, indeed, the atmosphere, to give rise to the weather: think tornado and hurricane. All known organisms are built from compounds of carbon; but if we succeeded in building a replicating, conscious, self-sustaining, energy-dissipating entity from silicon, would we deny that it was alive? Is a virus alive?
Peter Atkins (On Being: A Scientist's Exploration of the Great Questions of Existence)
Upward flows of energy and water vapor (think thunderhead clouds) occur over areas much smaller than the 100 km (60 miles) of our grid. This is particularly troublesome in the tropics, where upward flows are important in lofting energy and water vapor from the ocean surface into the atmosphere. In fact, the flow of energy carried into the atmosphere by evaporation of the ocean waters is more than thirty times larger than the human influences shown back in Figure 2.4. So subgrid assumptions about this “moist convection”—how air and water vapor move vertically through the flat grid boxes—are crucial to building accurate models.
Steven E. Koonin (Unsettled: What Climate Science Tells Us, What It Doesn’t, and Why It Matters)
I make another trip to Rick's bakehouse to show people how he makes his pain au chocolat, that magical, flaky pastry filled with heavenly bites of chocolate. I shoot video of Rick laminating croissant dough, rolling and flattening and folding the butter-filled slab of pastry until the dough is as long as a beach towel and stratified with butter like canyon rock. He cuts it into rectangles and stuffs each one with two fat chunks of bittersweet chocolate inside. He bakes off five sheets in his convection oven, and when the croissants emerge, their golden tops glistening, I have to restrain myself from reaching out from behind the camera to stuff three or five into my face. As soon as the newsletter goes out the next week, Rick's customer base goes crazy. People line up and down the market thoroughfare, undeterred by the stifling July heat, clamoring for flaky pain au chocolat and crusty sourdough loaves. Day after day, he sells out everything at least thirty minutes before closing, and the chocolate croissants sell out in the first hour.
Dana Bate (A Second Bite at the Apple)
Can we buy best microwave oven under 5000 ? Gone are the days, when microwave ovens in India were luxurious products and hard to afford by everyone. Microwave ovens nowadays are quite cheaper, where companies offering best microwave oven under 6000 also. Whether you can use oven for baking, cooking, heating, or whatever you want. There are several companies out there with their best-upgraded microwave ovens. Microwave ovens of LG, Samsung, Whirlpool, and also microwave ovens of IFB are some Top brands, considered to be the best microwave ovens in India. So let’s find out which is the best convection microwave oven in India for you within your budget? Such as solo microwave ovens, grill microwave ovens, and convection microwave ovens. With add-on options like Micro oven Utensils.
best microwave oven under 5000
Any chance you might share your secret?" I laugh and tell him, "No real secret. Just plenty of fresh lump crabmeat, and some scallions and bell pepper, and Hellmann's mayonnaise, and not too much breading or handling the cakes too much, and... don't forget these crab cakes are deviled." He gets a cute frown on his tanned face and says, "What's that?" "Deviled," I repeat as I pull the tray outta the convection oven and arrange the little ovals on a platter. "Means they're real spicy with hot dry mustard and a few shakes of Tabasco." "Well, I'll be damned," he says. "No wonder yours are so different. I never heard of deviled crab cakes." "Oh, honey, I'm crazy about deviling lots of things- crab cakes, oysters, oxtails, and, of course, eggs. Gives 'em oomph, if you know what I mean.
James Villas (Hungry for Happiness)
MODERATE HYPOTHERMIA If the core temperature continues to fall, the brain stimulates an increase in shivering to the point where it is violent and uncontrollable. The patient has now entered the realm of moderate hypothermia. Shivering requires an immense amount of energy. If the moderately hypothermic patient is not properly treated, heat rushes from the patient into the environment. Radiative heat soars into the sky from an uncovered head. Heat conductively floods into the ground from a patient poorly insulated from the ground. A breeze rips heat away via convection. A drop in core temperature is rapid for an unprotected, shivering patient. The “umbles” worsen. A patient may find it impossible to walk, and he or she finds it increasingly difficult to speak and to think. Staring dully with a faraway gaze is not uncommon. Lack of circulation to the surface of the body causes the skin to turn very pale, perhaps a dusky color. Heart and respiratory rate increase further.
Buck Tilton (Wilderness First Responder: How to Recognize, Treat, and Prevent Emergencies in the Backcountry)
Peña appeared next to me, helped me to my feet, and led me off the copter. We were standing on some rooftop. With the sun up now, heat rippled off the tar, and the downdraft from the rotors felt like the blast from a convection oven
Joseph Reid (Takeoff (Seth Walker #1))
A particular kind of fluid motion inspired Lorenz’s three equations: the rising of hot gas or liquid, known as convection.
James Gleick (Chaos: Making a New Science)
There are three ways—conduction, convection, and radiation—that heat can flow out of an object. All can be observed in most kitchens.
Paul Sen (Einstein's Fridge: How the Difference Between Hot and Cold Explains the Universe)
Heat flow through convection occurs in ovens. The heating elements within the oven’s wall cause the air molecules nearby to zip about more quickly. These then collide with molecules deeper in the oven, increasing their speed, and soon the entire oven’s temperature rises.
Paul Sen (Einstein's Fridge: How the Difference Between Hot and Cold Explains the Universe)