Les sphères de Klerksdorp sont de petits objets sphériques à disques trouvés dans des dépôts vieux de 3 milliards d'années en Afrique du Sud, et ils ont suscité beaucoup de mystère et de débat. Les pseudoscientifiques affirment qu'ils doivent avoir été fabriqués par des êtres intelligents car ils semblent déplacés. Les géologues disent qu'il s'agit simplement du résultat de processus naturels. Il existe également d'autres découvertes historiques mystérieuses, comme le mécanisme d'Anticythère, qui est un ordinateur analogique grec ancien, et la pile de Bagdad, qui aurait pu être utilisée pour générer un courant électrique il y a des milliers d'années. Animation créée par Sympa.
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FunTranscript
00:00Have you ever seen 3-billion-year-old cricket balls?
00:04The spheres of Klerksdorp, discovered in pyrophilic depots in South Africa, shook the scientific community.
00:11They indeed look like small old cricket balls, with lines similar to seams around the middle.
00:19In the 1980s, some claimed that these spheres had been made by an antediluvian civilization, of which we knew nothing.
00:27A museum curator even said that they were rotating in their showcase.
00:31And a TV show also invited a seer who claimed that these spheres were fragments of an old spaceship.
00:39But according to geologists, these spheres are in fact fairly common concretions, or spherical objects formed from minerals different from those of the surrounding rock.
00:49These lines, similar to seams, are only the prints of the layers of the original rock accumulated over time.
00:55The spheres of Klerksdorp have different shapes, ranging from slightly flattened spheres to distinct discs.
01:02Concerning the episode where one of these spheres would have rotated on its own, the curator of the Klerksdorp museum also made a clarification.
01:10He explained that when he placed one of the spheres in the showcase during a journalist's visit, the latter had slightly pivoted due to its shape.
01:19In addition, the region where the museum is located frequently undergoes earthquakes due to mining activities nearby.
01:26The oldest humanoid footprints could date back 6 million years.
01:31They were discovered on the island of Crete in 2002.
01:34If this date is correct, it would mean that the ancestors of the first humans could have migrated between Europe and Africa much earlier than we thought before.
01:43This does not question Africa as the cradle of humanity, but could simply prove that our primitive ancestors were already moving between continents.
01:52Some researchers believe that these footprints were left by a bipedal creature, possibly related to a human ancestor nicknamed El Greco.
02:01According to the scientists who studied them, these footprints have a very similar shape to that of man, with five toes and a large parallel toe.
02:11However, some remain skeptical and suggest that these footprints would rather belong to a late European monkey.
02:19A new study analyzed fossilized marine microorganisms in sedimentary rocks to date these footprints and confirm that they date back to 6 million years.
02:30The next fascinating discovery that captivates scientists is the Dorchester pod.
02:36This magnificently shaped metal container is adorned with geometric motifs made of silver.
02:42Discovered at Dorchester, what a surprise, in 1852, in rather unusual circumstances, the pod broke into two pieces during a powerful explosion.
02:56Scientists believe that it was originally embedded in a rock or block known as Pudding.
03:03The rock from which the pod of Dorchester comes from dates back to about 500 million years, which could indicate that the pod itself is just as old.
03:12However, the current theory, and much less exciting, suggests that the pod of Dorchester would only be a candlestick from the Victorian era.
03:20These objects were very in vogue at the time, so it is not surprising to find such a sophisticated article of this period.
03:29The pod of Dorchester belongs to the category of incongruous manufactured objects.
03:35These are objects that seem far too advanced for the time they are supposed to belong to.
03:40If we accept that the pod is 500 million years old, it means that its creator was very ahead of his time in terms of craftsmanship and technology.
03:49An additional mystery is that the pod bears the engraving of a plant that probably disappeared from the earth more than 100,000 years ago, reinforcing the hypothesis of its incredible antiquity.
03:58Finally, it seems that the oldest map of Europe is an old stone of 4,000 years.
04:03This bronze age slab, discovered in France in 1900 in an old cemetery, features engravings representing in three dimensions the network of the river Eau d'Ais, with a remarkable accuracy of about 80% over a distance of 29 km.
04:18There are other maps engraved in stone around the world, but this one is unique because it represents a specific area on the scale.
04:27The engravings of the slab do not only map the rivers and hills, but also the settlements, tumulus and agricultural systems.
04:35Archaeologists claim that this slab was not used to locate itself, but rather to symbolize a certain power.
04:42The detailed marks found there could have been used to represent the domain of the dominant tribe in order to illustrate its control over the territory.
04:50When their leader lost power, this slab was probably reused as part of a funeral chamber.
04:56This unique artifact was kept in the cellar of a museum, and for decades it remained unnoticed until several researchers, reading old reports on it, decided to examine it.
05:08They carried out a detailed analysis using 3D techniques.
05:12Their research has thus proven that the creators of this slab had not only engraved lines in the rock, but also modified its surface to reflect with great precision the topography of the landscape.
05:24The Salzburg Cube, also known as Wolfsegg Iron, was discovered at the end of the 19th century in Austria.
05:31Do not be fooled by its name, because it does not look like a cube at all. It is rather a rounded object with two flat sides.
05:39In the middle is a groove, and its surface is covered with crevices and craters.
05:44This unique appearance has led many people to think that it could be an extraterrestrial object.
05:49Workers accidentally discovered this artifact by bursting a coal vein estimated to be more than 60 million years old.
05:57The Salzburg Cube was moved between various museums, mysteriously disappeared at the beginning of the 20th century, and then finally reappeared.
06:05A professor at the University of Bonn suggested that it could come from a meteorite.
06:10However, no trace of elements normally present in meteorites, such as cobalt or nickel, has been found.
06:17Researchers then thought it could be an object made by man.
06:21A bourgeois of the Victorian era, who knows?
06:24Nobody knows the real story of this cube, no more than its current location.
06:29And yes, it has disappeared again.
06:31Have you heard of Meister's footprint?
06:34It is a footprint of fossilized sandals discovered in 1968, which aroused a lot of intrigue.
06:41A trilobite is inside the footprint.
06:44However, these creatures are supposed to have disappeared about 500 million years before the appearance of man.
06:50However, many historians think that this dating is exaggerated.
06:54When Meister discovered the fossil, it was authenticated.
06:59However, the scientist who proceeded with this authentication did not confirm that it was a footprint of human sandals.
07:06He only recognized the presence of a trilobite.
07:09Another scientist, visiting the site, discovered a 15-centimeter footprint that he thought was that of a child's moccasin.
07:17Although these shoes seemed new.
07:20So, could it be a trace of time travel?
07:23A sign that humans existed millions of years earlier than we thought?
07:27Or a proof that someone else visited our primitive land?
07:31Or maybe it's just a rocky formation that looks like a trail of sandals?
07:36All these questions remain unanswered.
07:39In June 1936, a couple was walking along Red Creek in London, Texas, when they discovered something unusual.
07:47A piece of wood emerging from an old rock formation.
07:51About ten years later, their curious son decided to break the rock to see what was inside.
07:57He then discovered a hammer, which seemed surprisingly modern.
08:01Subsequently, a fan of unusual objects estimated that the rock enveloping the hammer dated from the Cretaceous period.
08:08This would mean that someone had dropped a hammer from the 19th century,
08:13at a time when dinosaurs like the Triceratops were still present on Earth.
08:18If this hammer really dated from the Cretaceous, it would question the whole theory of evolution.
08:25But if this hammer was modern, it would mean that the rock formation from which it came was much more recent than we thought.
08:33The answer was actually much simpler.
08:35The hammer was indeed modern, and geological processes had imprisoned it in the rock.
08:41Minerals can solidify around an object in a relatively short time.
08:45Thus, this hammer had probably been lost by a miner about a century earlier,
08:50and the rock had formed around it later.
08:53And no, it was not either a bourgeois of the Victorian era.