By Len Fisher

ISBN-10: 1559706805

ISBN-13: 9781559706803

Scientists are within the enterprise of attempting to comprehend the realm. Exploring average phenomena, they've got exposed a few of Nature's inner most legislation. we will in flip observe those legislation to our personal lives, to raised seize and improve our functionality in day-by-day actions as diversified as cooking, remodeling sports-even dunking a doughnut! This ebook makes the technological know-how of the common a key to beginning the door should you need to know what scientists do, why they do it, and the way they move approximately it. Following the regimen of a typical day, from espresso and breakfast to procuring, family chores, activities, a drink, supper, and a bathtub, we see how the probably mundane offers perception into the main profound medical questions. a number of the subject matters integrated are the paintings and technology of dunking, the best way to boil an egg, how you can tally a grocery store invoice, the technological know-how at the back of hand instruments, catching a ball, or throwing a boomerang, the secrets and techniques of haute food, tub (or beer) foam, and the physics of intercourse.

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Additional info for How to Dunk a Doughnut: The Science of Everyday Life

Example text

Nicholas K u r t i . 2. T h e l o w e r "wiggle" (A) in t h e c u r v e for t h e t e m p e r a t u r e of t h e w h i t e is a n artifact, arising from m o v i n g t h e t h e r m o c o u p l e after t h e m e a s u r e m e n t s h a d s t a r t e d . T h e u p p e r "wiggle" (B), h o w e v e r , has real m e a n i n g , ft o c c u r s at t h e t e m p e r a t u r e ( a n d t i m e ) w h e n t h e w h i t e sets, a n d s e t t i n g t a k e s energy, t h e r e f o r e t h e t e m p e r a t u r e of t h e w h i t e stays c o n s t a n t (if e n e r g y is c o m i n g in by c o n d u c t i o n as fast as it is b e i n g u s e d to r e a r r a n g e m o l e cules) or e v e n d r o p s (if m o r e e n e r g y is r e q u i r e d to r e a r r a n g e t h e a l b u m i n m o l e c u l e s t h a n i s available from c o n d u c t i o n ) .

T h e alcohol w a s in t h e h u g e ( 4 - i n c h ) b u l b of a specially c o n s t r u c t e d t h e r m o m e t e r that Rumford had taken to a high t e m p e r a t u r e during an e x p e r i m e n t a n d t h e n left on a w i n d o w s i l l to cool. To his i n t e n s e surprise, he s a w " t h e w h o l e m a s s of liquid in a m o s t rapid m o t i o n , r u n n i n g swiftly in t w o o p p o s i t e directions, up, a n d down, at t h e s a m e t i m e . " This process, w h i c h R u m f o r d called convection, is c o m m o n p l a c e in c o o k i n g .

T h o s e n e a r e r t h e center, t h o u g h , s h o w e d t h e t e m p e r a t u r e still rising! T h e c e n t e r t e m p e r a t u r e c o n t i n u e d to rise for t h e n e x t forty m i n u t e s , e v e n t u a l l y r e a c h i n g 55°C, a t e m p e r a t u r e a p p r o p r i a t e for s o m e w h e r e b e t w e e n m e d i u m and well-done. Does meat, t h e n , disobey t h e n o r m a l rules of conduction? I quickly realized t h a t t h e n o r m a l r u l e s of c o n d u c t i o n w e r e in fact r e s p o n s i b l e .

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How to Dunk a Doughnut: The Science of Everyday Life by Len Fisher


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