Ancient Egyptian Granite Sawing Technology: reconstruction @ScientistsAgainstMyths

Scientists Against Myths | Ancient Egyptian Granite Sawing Technology: reconstruction @ScientistsAgainstMyths | Uploaded July 2020 | Updated October 2024, 1 hour ago.
The experimentalist Nikolay Vasiutin attempts to cut a piece of granite using ancient Egyptian methods: utilizing a copper saw with an abrasive agent (corundum). The stone cutting experiment was conducted for antropogenez.ru portal.

Granite, a Copper Saw, and Abrasive Material Principles of Loose Abrasive Sawing.
Excellent article by Oleg Kruglyakov: https://antropogenez.ru/sawing/

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Specifications:
- Copper strip length: 22 cm
- Granite piece thickness: 17 mm
- Cut Length: 48 cm
- Cut Width (max): ~6mm
- Total time taken: 3.5 hours
- Extracted granite weight: 46g (3012-2966=46)
- Granite volume: 17,03 cm3
- Copper material wear: 23 gr. (229-206=23)
- Copper volume: 2.58 cm3

Participants:
- Nikolay Vasiutin
- Aleksandr Sokolov (editor of ANTROPOGENEZ.RU)
- Valeriy Senmuth @Валерий Senmuth
- Oleg Krugliakov
- Yekaterina Shutova
- Video Recording and editing: Vladimir Morozov @ http://Spezinform.ru
- Translation and voiceover: Eduard Trofimov

The original premier took place on 10.06.17 @ Moscow, as a part of "Scientists against Myths 4" educational forum.

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$Diorite vase: 2 years of blood, sweat and hate | Experiment results Is it possible to make a vase from an extremely hard stone using ancient Egyptian technology? No metal: just stone, bone, wood, sand and a lot of persistence. No one has done this in the last couple of thousand years. The project started in August 2020 and lasted more than two years. The funds were collected through crowdfunding on the Planeta.ru site. We thank everyone who helped the experiment take place! Reconstructors Olga and Yulia spent 5 days a week hammering, chopping, sawing, drilling and polishing diorite in a small workshop in Kemerovo, under the watchful gaze of two webcams broadcasting online. 💀 Want more experiments? Support our projects: https://www.patreon.com/antropogenez_world Experiment results: Total duration: 790 days (546 work days) Initial weight of diorite piece: 15.36 kg Workpiece weight after cracking: 3.78 kg Final weigh of the vase: 1.12 kg Maximum length of diorite piece: 42 cm Final height of the vase: 15 cm 3D models of vases made during three experiments: https://disk.yandex.ru/d/71rKssBQLPEZcw We thank Pavel Krasnov for the 3D scans. Characteristics of the 3D scan of the vase: - Deviations from the circle in three sections perpendicular to the axis of the vase, within ~0.3..0.4 mm. - The angle between the axis and the plane of the upper end is ~89.92 degrees. - Deviation from the flatness of the upper end is within ~0.12 mm. The measurements using Geomagic Design X software were carried out by Alexey Pimenov, a specialist in 3D measuring systems. Materials consumed: Sand: 6 bags (various fractions) Tar: 7 kg (part was unusable) Leather: 2 halves of cow hide Cow bones: 2 metatarsal, 2 unidentified Sandstone: ≈ 300 kg Gravel: under 200 kg Granite: 2 small pieces Dolerite: 1 piece Desna flint: ~50 splits Zaraysk flint: ~30 splits 40+ hammers (gravel, leather, wood) Maple 1.5-4 cm thick – 100+ sticks Birch (small piece) Rope: sisal, jute, flax twine (several meters long, tried for sawing) Experimenters: Olga Vdovina, Yulia Gukasova Overall management: Georgy Sokolov, Alexander Sokolov Non-stop streaming: Vitaly Krauss, Scientific Video Laboratory @ScienceVideoLab Video made by: Text by Alexander Sokolov Filming by Ksenia Ablez Editing by Vitaly Krauss and Ksenia Ablez English translation and voiceover by Dmitry Oliferovich Cover by Irina Galenkova Music by @Senmuth We would like to thank: Maksim Lebedev, Aleksander Ocherednoi, Ivan Semyan, Sergey Krivoplyasov, Oleg Kurgliakov, Nikolai Vasyutin, Pavel Selivanov, Liubava Popova, Lilya Sabirova, Marisha Erina, Kseniya Ablez, Evgeniya Anokhina, Irina Reshetova, Valery Senmuth, Pavel Krasnov, Borislav Popov, Stanislav Drobyshevsky, Alexey Vodovozov, Pavel Podkosov. Special thanks to Tatyana Andreeva. Previous experiments by Olga Vdovina: Vase made of marble breccia, using copper tools: https://youtu.be/dC3Z_DBnCp8 Vase made of marble breccia, in the shape of a bird, without the use of copper tools: https://youtu.be/Mq2KGQajfAo Triangular angle in granite - with primitive tools: https://youtu.be/HQ2bHE7mTi4 Additional materials: Measurement of ancient Egyptian vases from the collection of the Pushkin Museum: https://youtu.be/XzN8wtBF2Kw Our patrons: Decomposing Cake, towage, Caroline L-B, Artus Sharpe, Subtle Salmon, Matvey Shishov Legal support: CTL Law Office © ANTROPOGENEZ.RU, Scientists Against Myths, 2020-2024 Contact: g_souris@mail.ru #history #artifacts #ooparts$

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