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After m ore than 15 years as a softw are engineer R ob Belldecided to pursue a Iong-term desire to w ork w ith his hands and develop his knack for m aking things. He now runs his ow n C N C m illshop - Zom adùc - and Iends his skills and creativity to designersr cabinet m akers contractors furniture m akers adists and inventors. Rob is a strong believer in accelerating change, in technology and in design science's pow er to better people's Iives. A s ho p B ot C N C system gives R ob the resources he needs to help others turn theirvisions into reality. X R o b is a s ho p B o tte r.

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GETTING ALLMY FRIENDSTOGETHER To H ELP M E EM PTY ALLTI. IEJuGs.GENIus!

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Ratherthan Iam enting the slow cleath c)f drive-in theaters,Iclecicjeclto builclm y ow n,m o unt it o n an aclult tricycle,ancj take the m ovies anyw here there's an A C outlet.V ibrant o nline com m unities of D IY projectorenthusiasts have ironed outthe kinks anclbuilt the focalcalculato r softw are tools,anclthey're building hom ebrew m achines w ith Jaw -d ro pping results. The folks atLum enIab (

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a kIt of hard-to-fInd com ponents to buIIc1your ow n m ovle projector usIng a surp lus 15:'LC D com puter m on Itor. Ratherthan scourthe w eb for com ponents that r'n Ightw ork, lcleclcleclto take aclvantage of Lum enlab 's englneerecl solutlon,thelr conslclerable Inform atlonalbuIIclguldes,ancl, m ost of aII,thelr InvaIuable forum s that Inclucle cleta IIecl project Iogs of com pleteclprojectors. g

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H ow La nce W inters w ent from basem ent m oonsh iner to celeb rity vo d ka d istiller. By Bea am ln Tlce 5m 1th

W hen m ost of us w ant sorne tequ IIa w e run to the IIquor store on the w ay hom e frorn w ork.Lance W lnters prefers heaclIng to M exlco to fInclthe best agave cactus and brlnglng It back to hIs Iaboratory In a 65,0 00 -square-foot alrcraft hangar on a ctorm ant nava Ibase on the eclge

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stIIls,nurnerous tanks a bottllng IIne anctrnany cases of

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R IV ET IN G TA LE U sing scra p sheet m etalancj po p rivets, you can construct a m ocjel1930 s B ritish M idget racerthat com bines vintage ''tether car''styling w ith m ocjern R/C capabilities. RaclIo control(R/C)toys are fun,butthelrplastlc boclles are so obvlously m ass-procluced .To create som eth Ing m ore Interestlng ,lw anteclto fIncla m eta Itoy racer 10 Inches or Iongerthat lcoulcltransplant som e R/C Insldes Into.lsoon clIscovereclthatthe best canclIclates w ere a II p recIo u s coIIectIb Ies. lcleclcleclto buIIc1a rnetalbocly m yselfanclsoon stum b lecl upon an olclhob by ca IIecl''tether cars,''a type of m oclel

racerthatpreclates R/C (see slclebar,page 105).After orclerIng b IueprInts frorn a teth er car enth usIast group In Englancl,lIearneclhow the olcltoys w ere rnacle,anclthen porteclthe style to r'ny R /C project.W lth a few m odern aclaptatlons,such as pop rlvets Insteaclof solcler,anclcoII sprlng shocks,lbuIIt a coup le ofvlntage-style R/C cars that w ou Iclr'nake any antIqu e cleaIerjeaIo us.H ere's r'ny Iatest.

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FO R M IN G LA S T IN G IM P R ES S IO N S From take-o ut coffee Iids to airplane interio r panels,vacuum -fo rm ed plastic is everyw here.A nclforgooclreason : vacuum form ing m akes Iig ht,durable, ancj cool-looking 3 D parts.H ere's how to coo k som e up in yo ur kitchen. M y favorlte ch IIclhood toy w as the M attelVac-tJ-Form . T he pungent sm elIof m eltlng plastlc fIIIeclr'ny beclroom as lsp ent r'nany ho urs r'no IclIng IIttIe cars,b ugs,ancl slgns.The w ay the fIat plastlc changeclshape by Invlslb le vacuurn pow er w as r'nag lca Ianclfun to w atch ! Toclay,luse vacuurn form Ing to m ake toy prototypes In r'ny ow n shop.lusualIy use a professlonaIIy rnacle vacuurn forr'ner,b ut In a p Inch l've u seclth Is u Itra-cheap ,h or'nebrew rIg w lth great resu Its. Large,com m ercla Im ach Ines have bu Ilt-ln vacuurn pum ps, acljustab le p lastlc-holclIng fram es,overheaclraclIant heaters, anclpneum atlc p latens.T he G uerrlIIa Vacuurn Form er Is m uch slm p ler.lt uses your oven to m eltthe plastlc,and a h ouseho Iclvacuu r'n cIean er to sup p Iy th e suctIon .A II you have to buIIclIs a sIm ple w ooclen frarne ancla hoIIow box.l'1Ishow you how to clo It,then use the clevlce to create

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B IR D S H O T B irds m ake Iousy subjects fo r d ig ital photog raphs.T hey're fearful,fidgety, ancj,w ell,flig hty.B ut you can im prove your ocjcjs ofgetting aw eso m e avian photos by m oving yo ur cam era closer to the birds - ancj yo u farther aw ay. A ncj w hile you're at it,w hy not get them to pose fo ryo u? S lnce convertlng from fIIr'n to clIgltalphotography rnore

than ten years ago (lboughtan Epson Photopc w lth a half-m egaplxelresolutlon for$500 In 1996),l've sought w ays to take aclvantage of the ''tons o'shots to get a w lnner''phenom enon.Recently ldlscovereclthat blrcl photography clefIn Itely faIIs Into that category. B ut clIg lta IIy shootlng blrcls taxes a cam era's resolutlon Ilr'n It b lg-tlrne:your6 or 10 M P cllglcarn suclclenly becom es another Photo pc w hen you throw aw ay va Iuable p lxels by cropplng .S o,ya gotta get closer - butgettlng closer m akes the b lrcls m ore sklttlsh anclshy.lt's a clIg lta Icatch-22 . W e can have our cake ancleat It too,though ,thanks to a Iong shutter-release cab le ancla gaclget that typ Ica IIy contro ls m oclelveh IcIes:an R/C raclIo.

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By C harles P latt

People appear sym m etrical,buteven the m ost perfect hum an face show s irregularities ifw e com pare the Ieft side w ith the right.Perhaps this is w hy the absolute,rigid sym m etry ofcrystals seem s beautifulyet alien to us.U nlike D H A'S soft spiral,a crystal's m olecular bonds align them selves to fo rm regularthree-dim ensional structures,w hich the G reeks considered m athem atically pure.T he m ostfundam entalofthese shapes are know n as the five Platonic solids. Ifyou assem ble equal-sided triangles - aIIthe sam e size,w ith the sam e angles to each otheryou can create three possible solids:a tetrahedron

(w ith 4 faces),an octahedron (8 faces),and an icosahedron (20 faces).Ifyou use squaresinstead oftriangles,you can create only a hexahed ron, com m only know n as a cube.Pentagons create a

dodecahedron (12 faces),and that's asfaraswe cango.hlo othersolid objectscan be builtwith aII-

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identical,equal-sided,equal-angledpolygons. The Platonicsolidshavealwaysfascinated me. hvly favorite isthe dodecahedron which is why ,

Iused itin this projectasthe basisfora table Iam p.

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Byextending itsedgestoform points,we make

som ething thatIooks notonly m athem atically

perfect,butperhapsa Iittle magical.

/' 1 165

S kip to the beat of a d iffe re nt d rum m er,elim inate red-eye the old-schoo lw ay.and Iea rn a bo ut the o rig ins of inventio n.

H op o n W ater Aquaskipper

Here's a new personalw atercraft that doesn 't burn ga soIine, pollute the w ater,or m ake noise. It's a hum an-pow ered hydrofoil ' . . . ornithopter.G ot that? %y: Lx.Vgyz)y J XV. S.HY =j.; .(... .@f.3% 7. 7y+s It, s a spid ery aIum inum ;a.û'z;)'â-2r!J;a-szrar'-v.- ....r'

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