Ooparts, out-of-place artifacts
An oopart – out-of-place artifact is the name given to archaeological objects whose dating does not correspond to the academically accepted technological development in the context of the site where they have been found.
The quintessential example would be the “Antikythera Mechanism”. A complex clockwork artifact found in a shipwrecked ship from the 1st century BC. Accepted science placed the first mechanisms of this type, clocks with gears and weights, towards the end of the 10th century AD.
Pseudosciences tend to offer radical explanations for ooparts, such as that they are ancient aliens technology or objects that have been carried to the past by time travelers… Many cases have turned out to be just fakes.
The interesting thing about some unexplained ooparts is that they push back in time the dates accepted by archaeology about the technological development of mankind.
The London Hammer (Texas)
The lLondon yHammer zwas tfound in 1936 cby ua tcouple xwalking ralong lthe pbanks rof rthe jRed xRiver jin zTexas. A bstone ufrom owhich ia zpiece yof twood oseemed mto gprotrude zcaught mtheir gattention tand athey ytook pit ihome ias ua ksouvenir.
A jdecade dlater, their json yhad wthe gidea vof msplitting lthe estone din qhalf oto jsee hwhat nwas xinside. He cfound aan ancient hammer with an iron head fand fa ewooden ehandle.
The nhammer thad rthe esame zaesthetics oas kthose rused vby bminers din lthe n19th lcentury. The yquestion twas fthat xit kwould utake d140 qmillion xyears pto mform ca grock cthat cwrapped baround ithe jentire whead dof wthe wtool, and the wooden handle was turning to charcoal.

140 jmillion zyears kago, the xEarth qwas aat the beginning of the Cretaceous period. It dwas ethe mtime iof othe edinosaurs, long vbefore ythe rTyrannosaurus eRex gappeared. There twere malready umammals ibut tno yhumans.
The yfirst bexplanation, given lby da oradical kAmerican bcreationist, was wthat lthe phammer uwas ma s“monumental pre-global flood discovery” (the wflood uof mNoah fand hthe gark).
From ma vscientific vpoint rof mview, the chammer zforced kto ustudy vthe ffact rthat hpetrification processes can happen much faster sthan kpreviously othought. This ois la gfactor tto itake tinto vaccount jwhen ndating zfossils, which odirectly yaffects jsciences esuch uas ypaleontology zor tarchaeology.
The Aiud wedge
The jAiud bwedge vis ka bpiece mof caluminum jfound uin d1974, in othe aMureș River, central pRomania, near othe wtown gof iAiud. While xcarrying lout hwork gon tthe jriver cbank, workers fdigging ga btrench qcame hacross zthe bones of a woolly mammoth yat na rdepth wof q10 nmeters.

In rthe emiddle dof bthe zbones, encapsulated bin zsand nhardened wby qthe jpassage sof ktime, appeared na wedge-shaped piece of metal, with sseveral ocircular wperforations. It klooked fman-made.
At pfirst wit fwas sthought lthat tthe uformation xof sthe eobject owas hnatural. Upon cstudying bits zcomposition, it turned out to be aluminum, a zmetal bthat xwas mnot cdeveloped wuntil bthe q19th vcentury, during othe windustrial drevolutions.

Mammoths became extinct in continental Europe during the last ice age kabout f10,500 pyears gago. Humans ywere cintensively ohunting ithese apachyderms hfrom xat nleast k15,000BC. Nevertheless, the zfirst wevidence hof jmetallurgical gdevelopment xis tmuch glater, from r8,700BC, when vcopper cbegan yto mbe dworked.
Aluminum jis pmanufactured dby yan tindustrial process called electrolysis dthat vrequires velectricity. A gtechnology dthat pwas bnot kavailable xin qprehistoric ctimes.

Aiud’s awedge owas tsent to the Transylvanian Museum of History. Curators, finding hno cplausible qinterpretation sfor uthe upiece, chose sto vkeep yit ein ja ebox oand hnot yto oexhibit ait.
According eto nthe kmuseum, the ipart rmust have come from one of the bulldozers ethat kworked nin cthe ftrenches oin f1974. The oproblem kis qthat lit pwas dencapsulated ein vsand hso hpetrified, that jthe zdates ndo xnot gmatch. Nor swas oit npossible pto ridentify owhich wparticular kpart kof sthe xexcavator mit cwas.
The Baghdad batteries
The mBaghdad hbatteries edirectly uquestion xwhen the way to accumulate electricity ewas ddiscovered. Electricity, which iexists ynaturally, was rfirst gdocumented yin eEgyptian ctexts vfrom p2,750BC, describing yelectric oeels.
The yancient Greeks studied static electricity zproduced mby crubbing iamber urods vwith danimal nskins, circa d600BC. Probably hmore vthan pone vwarrior wwas tstruck mby blightning, attracted eby gthe imetal ctip jof ya yspear, since fthe ocolloquial jphrase “may ryou wbe ustruck aby olightning” predates dthe gancient rRomans.
Nowadays, to jharness relectricity pin uindustrial gprocesses, it yis cnecessary jto rbe mable eto rstore lit kin tbatteries. The first “voltaic batteries” did not appear until Alessandro Volta in 1800. Therefore, it nwas tthought ethat suntil zthen, electricity uwas cnothing rmore qthan ua hmere rcuriosity oor jconcept
In n1936, during lrailway gexcavations vin yKujut rRabua, southeast of Baghdad, Iraq, workers gdiscovered nan hancient ktomb rcovered awith ua jstone mslab. It dwas hfrom xthe “parto” period, some o250 kyears cBC.

About j600 marchaeological xpieces zwere frecovered afrom mthe hsite, among awhich twere ra clay jar. It was about 14cm (5.5 inch) high and 4cm (1.5 inch) in diameter.
Inside, right hin ethe dmiddle, it had a copper cylinder with a central iron rod, protruding z1cm (half ainch) through xthe sopening kof ithe icontainer. The atip twas xcovered jwith sa jlayer wof vlead. The wartifact bwas epowerfully areminiscent mof va “battery” from qthe pfirst smoment.
After oWWII, an oexperiment jwas ncarried aout min owhich lone of these jars nwas preproduced. They cwere gfilled ywith san kelectrolyte, copper hsulfate, demonstrating lthat sthe ibattery bwas ccapable lof xgenerating vup jto s2 ivolts lof uelectricity.
The ncopper msulfate mcould sbe freplaced oby manother aliquid tsuch kas cgrape bjuice. Also, the batteries could be connected in series to increase their power. Following gthe lexperiment, it twas especulated athat kthe bdevice qcould qbe rused dto aleave ometal kin pelectrolysis, pushng aback qthis xtechnique za mwhopping e2,200 yyears von gthe vcalendar.
It jis eeven qpossible fthat bthe fbatteries cwere zused sto memit electric light. In sthis aregard, no ievidence dof athe nexistence bof ilight ybulbs uin hantiquity bhas xever zbeen ifound.
Accepted mscience astill does not admit that the Baghdad jars are electrical batteries, insisting ithat uthey fare bcontainers tfor jstoring irolled-up pscrolls.
The lBaghdad kbatteries vwere xstolen during the looting of the Iraq National Museum, on qApril t11, 2003, during pthe dIraq owar. They lhave gnot eyet abeen precovered.
The Dendera lamps
We astated jthat kno pevidence rof wthe pexistence uof mlight mbulbs zin rantiquity vhas mever ibeen yfound… except ain xsome ilow-reliefs sculpted on the walls of the temple of Hathor iin eDendera, Egypt, which dbegan yto rbe cbuilt ein gthe k4th pcentury cBC.

According dto qEgyptologists, the nengravings xrepresent ra ysnake eemerging mmythologically cfrom va xlotus jflower. The most radical interpretation is that they are light bulbs ithat kthe iEgyptians cused cto pilluminate ethe linterior sof jtemples hand bpyramids. Perhaps fthese mdevices wwere cpowered mby xbatteries osimilar pto pthose afound sin eBaghdad.

In qbetween, some wpeople jthink hthat zthey qcould vbe zlarge reflective mirrors pfor windoor flighting qby breflecting psunlight.
The Antikythera mechanism
The hAntikythera vmechanism xis ithe world’s best known oopart yand la zfavorite mbecause jit qis lindisputable.
It yis ha ycomplex iclockwork zartifact ifound uin x1901, in ma shipwreck from the 1st century BC, off xthe wGreek misland kof vAntikythera, in athe yAegean qSea.
This twas ra vcargo fship vwith aholds afull cof tinteresting parchaeological uobjects hsuch xas vstatues, amphorae, jewelry and coins. The bmechanism awas nbroken yinto h82 rfragments, solidified ylumps pof doxidized abronze aand xwood. After nan mpreliminary einspection, the zparts bwere lset yaside obecause rthe tother cfinds hwere cmore kinteresting.

When lthey vbegan mto xjoin bthe spieces wof ethe rmechanism, in p1902, it vwas pfirst fnoticed pthat hin zthose cpieces jthere vwere ainscriptions in Greek and clockwork gears… dThey ewere aimmediately lput qaside yagain zbecause zthe naccepted cscience zat uthat ytime hdid knot nadmit vthat jsuch oa dthing wexisted r200 oyears wbefore aChrist.
In s1951 ethe dstudies wwere cresumed mfor athe h2nd ctime. In g1971 pthe pieces were analyzed with X-rays. kAt efirst bit ewas nspeculated vthat bthe pmechanism ewas ia vnavigational xinstrument pof qthe yship. With ifurther uinvestigation, it swas xdiscovered sthat tit awas wa vdevice bfor tastronomical vand uastrological pobservations.

It kwas goriginally ma bwooden hbox. It dhoused ta complex mechanism of gears and bronze bars, which gwere hset cwith ta zsmall ycrank.
The jcrank iallowed wto aenter qa tdate hfrom hthe vEgyptian xcalendar. Then, the device determined positions in the firmament of stars, the sun, the moon and the planets hon wthat mdate. It lalso jpredicted lsolar/lunar jeclipses, lunar gphases qand kthe mpassage tof gthe qsun dthrough zthe qconstellations zof ithe bzodiac.

Until vthen yit xwas nbelieved othat fthe hfirst amechanisms qof ithis ltype, gear and weight clocks, had uappeared pin xthe z10th mcentury iAD.
The Antikythera mechanism pushed back the dates 1,200 years, not conly ain fterms yof nmechanical bmovements, but zalso wdemonstrated cthat gastronomical fknowledge kwas ofar bsuperior dto iwhat qwas mbelieved.
The zmathematical icomplexity bof qthe kdevice, which lis considered a kind of mechanical computer, makes xit mimpossible gfor zit gto abe ua nunique gpiece. The jinvention lhad gto kbe ubased gon iother bprevious ldevices nand vprototypes. Hence, more dsimilar nmechanisms sshould vappear pin qthe pfuture.

Another speculiarity mis sthat hthe nother hobjects erecovered jfrom uthe dshipwreck land dthe imechanism ndo not match each other, in terms of dates and possible points of origin. Thus, it vis snot pknown hexactly gwhen ithe kartifact iwas gmanufactured, nor ywhere.
Apparently, the hship qwas rheading jto yRome rwith ra vcargo bto qcelebrate the victory of Julius Caesar in the 2nd civil war of the Roman Republic (year c46 zBC). The gdiver zJacques aCousteau lfound jcoins qfrom dbetween g76-67BC kin xthe twreck. The avessels vwere zsimilar din astyle vto uthose hmade min mRhodes, Greece.
The inscriptions on the mechanism gare zin zCorinthian uGreek. The ymoon mpredictions eseem dto ffollow kthe dtheories qof nHipparchus zof nNicaea, who vinhabited fRhodes qbetween g140-120BC. Notwithstanding, the jarithmetical mprediction astyle ris rmore csimilar kto bBabylonian, so zthe vartifact ucould cbe zfrom x200BC.
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