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M r 1 * Deep-cycle your r'nlnd w ith a souncl-anci-light show at brain w ave frequencies.M ore interesteclin a no-brainer? B end a rnod desk set out of pliable A BS plastic anclyou'llhave your hands on a truly rnlraculous m aterial.O r,ifyou prefer getting your hancls clirty,take pointers from the scientists w ho w orked on B iosphere IIanclengineeran ecosystem w ith your ow n Tabletop Shrirnp S uppo rt M odule.
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R ID E Y O U R O W N B RA IN W A V ES Y(3u don't have to be a B udd hist m onk to m editate,c)ra S leeping Beauty to sleep w ell.A chieve these altered states ofconscio usness,and clthers,w ith this sim ple m icrocontrollerdevice. W hatw oulcthappen Ifyou could play a recorcllng ofbraln w aves Into som eone's braln? That questlon poppeclInto rny m lnctone clay w hlle lw as m eclltatlng,anctItturns outthatthere are clevlces
thatcan cto thls.SounclanclLlghtM achlnes (S LM slprocluce sounclanclIIght pu Ises at braIn w ave freq uencIes,w hIch heIp people sleep,w ake up,rneclltate,or experlence w hatever state ofconsclousness the m achlne Is program rneclfor.T he flrsttlrne ltrleclone w as a trlp !N otonly cllcllfoIIow the sequence Into a
cleep m eclltatlon anclthen outagaln (feellng wonclerful!),but along the w ay lhad beautlfuloutrageous halluclnatlons. Thls artlcle show s you how to bulld an S LM form uch cheaper than you can buy one.W e'lIclo Itthe easy w ay,by hacklng a m lcrocontrollerprojectthatalreacly exlsts:Llrnor Frled's M InIPO V klt.T hls cooltoy blInks plctures anclw ords In the space you w ave Itthrough and w e can transform It Into an S LM slrnply by changlng the fIrm w are anclsorne rnlnor hardw are. S et u p:p.92
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A B S TO T H E R ES C U E Last nig ht Idream ed ofa m ag icalm aterial that w cluld be be ndable Iike m etal,as easy to sha pe as w ood ,and w o uld never w arp,split,o r splinter.It w ould be w ashable,w ould never neecj painting ,and w ould Iast alm ost fo rever. Thls rnornlng,w hen lsatclow n atrny ctesk,the stufffrorn rny clream w as rlght In front of rne.Itfact,It haclbeen there for severaIr'nonth s ever sIn ce lr'nacle a pen rack fro r'n A B S . A BS Is acrylonltnle b utadlene styrene,a plastlc that realIy ctoes have dream llke qualItles.lfyou've ever plckeclup a Lego block,you've hanclled A B S .C ar stereo Insta Ilers and m oclel raIIroaclbuffs som etlm es use It,butcraftspeop le ancthobbylsts generally have been slow to acloptIt.You can saw It drlllIt sancl It,w hlttle It anclctrlve screw s Into It,and It neverw arps,spllts or sp IInters.B est of al1,you can benclIt qulckly Into cornplex
shapes by uslng a slrnple gaclgetthatcosts arouncl$200. To acquaIntyou w lth Its pleasures (ancla few quIrks),l'II clescrlbe how to bullcta page stancl- a slm p le w ork alclthat facllItates copy-typlng by holcllng pages uprlght beslcle your vlcleo rnon Itor.A fterthat l'IIclescrlbe a portab le C D cactcly ancta pen rack,anclw lllsuggestrnore projects you can m ake. '
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EC O S Y S T E M S E N G IN E E R IN G T he Tabletop S hrim p S uppo rt M od ule
(TSSM ) is a fun dem onstration ofthe ecologicalcycles that keep us alive - and an enticem ent to m use c)n everything from god hood tclspace co lo nization. W hen r'ny 7th gracle vocatlona Iaptltucle test cam e back starnpect''Forester''Insteaclof''A stronaut,''lknew the testm akers haclscrew ed up.S ure IIIkeclslttlng In stream s,ancl peerlng clow n those creepy holes by the roots ofolcttrees.But l also knew thatsom eclay the w hole frlckln'park w oulctbe flylng through space.H acln't anyone else seen Battlestar G alactlcaî N ow w e know that space colonlsts are just as Ilkely to be rnuclcly ecologlsts as hotshotfIyboys - the klnd ofpeople w ho assem b le ecosystem s Insteactofenglnes.Toclay's pack-lt-ln, pack-lt-out IIfe support Is Im practlcaIfor Iong ,m annectm lsslons,but In the future regeneratlve system s cou Ic1provlcle years'w orth offoocl alr,anclw aterw h IIe processlng hum an w aste.lt's recyc IIng anclreuse on a raclIca Iscale,IIght years beyonclanythlng pltcheclby those halry guys dow n atthe co-op. H ere's a r'n In Iverslon of th Is clrearn ,a sealeclsystem that supplles a freshw atershrlrnp ''econaut''w lth foocl oxygen,ancl w aste processlng fora desktop journey of3 rnonths orm ore.
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