单词 | straightedge |
例句 | The famous unsolved problems of the day were geometric: With only a straightedge and compasses, could you make a square equal in area to a given circle? Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z It was a broomstick with an upside-down protractor attached on one end and a wooden straightedge on the opposing side that rotated around a nail. October Sky 1999-04-01T00:00:00Z In those days, proving a mathematical theorem was often as simple as drawing an elegant picture; the tools of ancient Greek mathematics weren’t pencil and paper—they were a straightedge and compasses. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z Boundaries and relationships were hierarchical, drawn with a straightedge: men dominated women, parents dominated the home, and whites dominated blacks. The Best of Enemies 1996-04-01T00:00:00Z This is as impossible as trisecting an angle with a straightedge and compasses—unless gods and mortals are allowed to have an infinite amount of sex. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z “In a puzzle, I always begin with a straightedge piece. If you wanted to cure polio or anything, where would you even start?” The Fourteenth Goldfish 2014-08-26T00:00:00Z I got out a straightedge, a protractor, and a compass and carefully drew the nozzle and the casement to the dimensions I had calculated. October Sky 1999-04-01T00:00:00Z Take the sheets of MDF, clamp a straightedge in place, and use a circular saw to cut the pieces per the cut list. How to Build a Really Cool Storage Bed 2015-03-16T04:00:00Z A singer in the 1950s straightedge pop group The Four Preps, Larson went on to produce a series of sci-fi influenced dramas following the early success of his The Six Million Dollar Man. 'Battlestar Galactica,' 'Knight Rider' Creator Glen A. Larson Dies at 77 2014-11-15T05:00:00Z Whether practiced by straightedge punk bands crossing the country in a van or animal-rights activists gathering for a rally, the embryonic incarnation of veganism usually came with a touch of puritanical renunciation. Vegans Go Glam 2015-09-29T04:00:00Z What makes things worse for Roderick is that before adopting the monastic precepts of straightedge hardcore music — no drugs, no booze, no fun — he used to be just like Tuffer. Review: In ‘The Jamb,’ 2 Gay Middle-Age Friends Face a Reckoning 2016-09-05T04:00:00Z And though the forms are simple, straightedge and mostly quadrilateral, they’re handled in ways that hint at 3D perspective. Review | In the galleries: Old-time technology with a contemporary twist 2022-08-05T04:00:00Z Hunter is as straightedge as they come, but he’s, er, a difficult child. New movies to stream this week: ‘Metal Lords’ and more 2022-04-07T04:00:00Z A straightedge can be used to extend a line segment in any direction, and a compass can be used to draw a circle with any radius from the chosen center. Infinity Category Theory Offers a Bird’s-Eye View of Mathematics 2021-09-14T04:00:00Z He became intrigued with the question of the constructability of lengths using just a compass and straightedge. An Introduction to the Collected Works of Frederick D. Funkle 2020-01-27T05:00:00Z Tuck the excess dough under itself so it is flush with the edge of the pie plate; leave the pie like this for a straightedge finish, or crimp as desired. Wrap up one of these sweet cookbooks for the home bakers in your life 2018-12-11T05:00:00Z Use a straightedge to ensure the Structo-Lite is lower than the old white lime plaster. Analysis | Why you should never put ceramic tile on an imperfect wall 2017-10-17T04:00:00Z The shell of Ensis directus really does look like an old-fashioned straightedge razor, narrow and thin, or a jackknife, per its other common name, Atlantic jackknife clam. Love at low tide: We’re still digging those delicious razor clams 2017-08-31T04:00:00Z He moved a metal straightedge into position, making a gentle scraping sound, and drew a small line on the marble with a pencil. A Muslim father and son engrave the headstones at one of India's oldest Jewish cemeteries 2017-02-26T05:00:00Z He’s carved a straightedge lifestyle that bans drinking alcohol, keeps a healthy diet and a curfew of about 9 p.m. Hopkins ready for final fight in championship career 2016-12-15T05:00:00Z The black x’s eventually became a hallmark of the straightedge hardcore scene. 9:30 Club: the hardcore venue that hosted the president 2016-02-03T05:00:00Z Use a long straightedge or metal level to help you locate small depressions that may exist in the old white plaster finish. Analysis | Why you should never put ceramic tile on an imperfect wall 2017-10-17T04:00:00Z Customers come for the straightedge shaves and straight talk. Golf Writer Who Coined ‘Amen Corner’ Was a Master in His Own Field 2015-04-08T04:00:00Z On the morning of May 10, 2012, Andersen got in his custom-made Jeep truck and drove north, up I-25, the picturesque road that slices through Colorado like a straightedge razor. The Birdman’s Vengeful Ghost A second edition of 1775 at first glance appears to be a reissue with new title page, but minor changes and the straightedge test are evidence of resetting. Two Burlesques of Lord Chesterfield's Letters. The Graces (1774), The Fine Gentleman's Etiquette (1776) 2011-11-29T03:00:14.883Z Experienced computers eliminate a step by directly plotting the pathways through center, using a transparent plastic straightedge ruled off in parallel lines. A Quantitative Study of the Nocturnal Migration of Birds. Vol.3 No.2 2011-11-02T02:00:14.587Z For a number of years past, several enthusiastic teachers have made much of the designs found in Gothic windows, having their pupils make the outline drawings by the help of compasses and straightedge. The Teaching of Geometry 2011-10-12T02:00:52.133Z Score the lines by pressing lightly with a scissor blade or X-ACTO knife along the straightedge, or by pressing hard with the curve of a paper clip. A Paper-Thin Illusion: Make Your Own Magnetlike Slopes [Slide Show] 2011-06-02T15:45:04.560Z Mr. Matos usually sketches before painting freehand, making limited use of stencils and straightedges. Arts | Connecticut: Tips From a Maestro of the Spray Can 2010-02-20T00:47:00Z Place two of these braces on the bench with the beveled ends toward each other, but with a piece of 7/8-in. stock between them, and the other two beveled ends resting against a straightedge. Mission Furniture How to Make It, Part 2 Mark with pencil along the straightedge across both posts. Mission Furniture How to Make It, Part I Since we can construct √a by means of the straightedge and compasses, it would be possible for us to square the circle if we could express π by a finite number of square roots. The Teaching of Geometry 2011-10-12T02:00:52.133Z At the extremities it has legs, made exactly alike and jointed on perpendicularly to the extremities of the straightedge, and also crosspieces, fastened by tenons, connecting the straightedge and the legs. The Ten Books on Architecture Lay a straightedge from mark to mark, and draw lines across the legs. Things To Make Remove the straightedge and slide the piece that is between the braces along until it projects 4 or 5 in. from the side formed by the straightedge. Mission Furniture How to Make It, Part 2 Connect the points by means of a pencil and straightedge. Mission Furniture How to Make It, Part I Hence a geometric construction cannot be effected by the straightedge and compasses unless it is equivalent to a series of rational operations or to the extracting of a finite number of square roots. The Teaching of Geometry 2011-10-12T02:00:52.133Z These crosspieces have vertical lines drawn upon them, and there are plumblines hanging from the straightedge over each of the lines. The Ten Books on Architecture When the workman has rolled up ten or fifteen yards, he cuts it across with a knife and straightedge, so that the paper is cut at right angles with its sides. Scientific American Supplement, No. 821, September 26, 1891 Place the leather on some level, nonabsorbent surface and with the tool—and a straightedge on the straight lines—indent the leather as shown. The Boy Mechanic: Volume 1 700 Things for Boys to Do In other words, the trisection of any angle, by the use of the straightedge and compasses alone, is impossible. The Teaching of Geometry 2011-10-12T02:00:52.133Z This, like Postulate 1, requires the use of a straightedge for drawing the physical figure. The Teaching of Geometry 2011-10-12T02:00:52.133Z When the straightedge is in position, and the plumblines strike both the lines alike and at the same time, they show that the instrument stands level. The Ten Books on Architecture Now if e is given, it is not possible with the straightedge and compasses to construct a line equal to e∛2, although it is easy to construct one equal to e√2. The Teaching of Geometry 2011-10-12T02:00:52.133Z With the knife and straightedge trim off the surplus material at the top and bottom and the book is ready for use. The Boy Mechanic: Volume 1 700 Things for Boys to Do A sharp knife, a smooth board and a straightedge are all the tools needed, says Camera Craft. The Boy Mechanic: Volume 1 700 Things for Boys to Do |
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