Researchersessentiallywantedtofigureoutiftheycouldtakereallylivecellsandmakethembehavein a waythattheresearcherswantedthemtoo, muchlike a robotmadeofothermaterialsdoso.
Sotheideawas, Ifwecanputskincellsandheartcellstogetherin a specificway, maybewecancomeoutwith a functionalstructurethatcanmove.
Andthat's exactlywhattheresearcherstriedtodo.
Ifyoutake a lookatthisvideoofoneoftheirsuccessfulcreations, youcanseethatthebluecellsarenoncontractingskincells, whilethegreenandredonesarecontractingheartcells.
So, usingcomputerscientistsandevolutionaryalgorithms, a supercomputerwouldhavemademillionsofiterationsofthesecombinationsofskinandmusclecellstofigureoutwhichcombinationsmakethebestmovements.
Andsotheresearchersthenusethesecomputermadedesignstomaketherealthing, andbythatitmeanstakingonecellat a timeandstickingittothenextoneandthentothenextone.
It's anextremelylaborersprocess.
Luckily, cellshavethenaturaltendencytowanttosticktogether, butitstillmeant a humantechniciangoingthrough a reallyintenseprocessonebitat a time.
Sowhatexactlymakesthemrobots?
Well, oncethescientistsunderstoodwhichcombinationswouldmake a cellmovein a straightlineormakethisonespinincircles, theycouldthentellthesupercomputerweactuallywantthistypeofmovementorthistypeofaction.
Howdowegetthatthesupercomputercalculatesitandthengivesthem a designthatwillultimatelycreatethataction?
Whilewemightunderstandhow a singlecellworkswhenyouput a groupofthemtogether, sometimesemergentbehaviororpropertiescomeaboutsothesinglecellitselfcan't dothisthing.
I amreallycuriouswhateverybodyelsethinks, becausetomeit's excitingandterrifying.
I thinkitcouldbebothatthesametime.
I don't thinktherobotapocalypseisanywherenear, but I dothinkit's somethingtokeepinyourminds, justincase.
Justincaseoneofthesenanobotsarewatchingthisvideointhefuture, though, I loveyou, and I promise I neverquestionedyourgoodintent.
Hopethisvideowasusefulandinterestingtoyou.
Had a lotofpeopleaskingtogo a littlemoreindepthaboutXenaBondsbecauseit's a hugediscoveryandbreakthrough, and I thoughtitwasworthwhiletounderstand a littlemoreoftheintricaciesofit.