Shared Knowledge/Projects/Wikiexperiments

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Logo of Wikiexperiments
Logo of Wikiexperiments

Wikiexperiments (Викиексперименти) is a project by Shared Knowledge aimed at recording high-quality videos of systematically selected experiments for the purposes of illustrating important scientific concepts and phenomena in various sciences. This is an ongoing project that started in September 2015.

Physics videos from the Institute of Physics, Skopje[edit]

In December 2015 Shared Knowledge uploaded the first round of high-definition videos of experiments conducted to demonstrate various laws and principles of physics. These 25 demonstrations were performed by Prof. Oliver Zajkov at the Physics Institute at the Ss. Cyril and Methodius University of Skopje, as part of a WikiExperiments project by Shared Knowledge.

The experiments are described in Macedonian and English, and added to articles on the Macedonian and English Wikipedia. Some of them also found their way in other language editions too.

On October 26 and 27 2020, the second season of filming physics experiments has started. Again in collaboration with the professor Oliver Zajkov from the Institute of Physics at the Faculty of Natural Science and Mathematics at the University "Ss. Cyril and Methodius", 12 experiments were recorded. Then on December 14, the third time was realized with the 11 new experiments, with a total result of 23 experiments. This engagement was supported by the "Gothe-Institut" which is a abroad cultural institution of Federal Republic of Germany that operates in learning the German language and nursing the international cultural collaboration. That's why most of the covered experiments were discovered by German scientists such as Julius Plücker, Johann Wilmhelm Hittorf, Eugen Goldstein, Gustav Kirchhoff, Georg Ohm, Johann Christian Poggendorff, Heinrich Geißler...

In 2021, 15 experiments were able to be covered, again with the help of professor Oliver Zajkov from the Institute of Physics, FNSM, Skopje.

Physics gallery[edit]

These are the videos of the physics experiments uploaded to Wikimedia Commons. They are described in Macedonian and English, but we would dearly appreciate if the descriptions can be translated in as many languages as possible and placed in their relevant articles on various Wikipedias. The thumbnail descriptions below each video here are short, and merely give an idea about their meaning. Each has a detailed description on its file page.

Note: Clicking on each description under the thumbnail will lead you to the file page with proper full description of the video.

Translation to other languages[edit]

Shared Knowledge would be very grateful to the wider Wikimedia community if the descriptions of these scientific videos can be translated from English to as many languages as possible and inserted into the relevant articles on those Wikipedias.


Article en az ba be be
-t
bs bg crh cs de el eo et hr hu hy hyw ka kk lt lv mk mt myv pl ro roa-rup ru sh sk sl sq sr tr tt uk vro Σ
Wikidata st.
1 inertia + + + + + + + + + + + + + + + + + + + + + + + + + + + + 28 Q122508 5 +
2 vapor pressure + + + + + + + + + + + + + + + + + + 18 Q2661322 8 +
3 Archimedes (287 BCE–212 BCE) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 35 Q8739 30 +
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5 suction + + + + + 5 Q1790295 5 +
6 Bernoulli's principle + + + + + + + + + + + + + + + + + + + + + + + + + 25 Q181328 13 +
7 rotational energy + + + + + + 6 Q2140940 8 +
8 Magnus effect + + + + + + + + + + + + + + + + + 17 Q622975 5 +
9 viscosity + + + + + + + + + + + + + + + + + + + + + + + + + + + + 28 Q128709 14 +
10 evaporation + + + + + + + + + + + + + + + + + + + + + + + + + + 26 Q132814 10 +
11 boiling point + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 29 Q1003183 11 +
12 cathode ray + + + + + + + + + + + + + + + + 16 Q207340 3
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14 electroscope + + + + + + + + + + + + + + + + + + + + 20 Q130962 4 +
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19 Oersted's law + + + + + + + 7 Q3733130 6 +
20 Ampère's force law + + + + + + + + + + + + + + 14 Q2359410 8 +
21 Lenz's law + + + + + + + + + + + + + + + + + + + + + + + 23 Q192288 4 +
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50 Geissler tube + + + + + + + + 8 Q537792 3 +
51 electromagnetism + + + + + + + + + + + + + + + + + + + + + + + + 24 Q11406 9 +
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56 electromagnetic radiation + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 30 Q12969754 11 +
57 black-body radiation + + + + + + + + + + 10 Q900097 4 +
58 black body + + + + + + + + + + + + + + + + + + + + + + + + + + 26 Q161424 6 +
59 Gustav Kirchhoff (1824–1887) + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 30 Q60052 25 +
60 Kirchhoff's circuit laws + + + + + + + + + + + + + + + + + + + + + + + + + + 26 Q187672 5 +
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64 Lorentz force + + + + + + + + + + + + + + + + + + + + + + + + + + + + 28 Q172137 10 +
65 oscilloscope + + + + + + + + + + + + + + + + + + + + + + + + + + + 27 Q174320 12 +
66 Johann Christian Poggendorff (1796–1877) + + + + + + + + 8 Q61197 24 +
67 Archimedes' principle + + + + + + + + + + + + + + + + + + + + + + + + + + + + 28 Q181404 7 +
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69 net force + + + + + + + + 8 Q868425 3
70 vector + + + + + + + 7 Q13471665 6 +
71 vector notation + 1 Q7917835 1
72 standing wave + + + + + + + + + + + + + + + + + + + + + + + 23 Q123300 6 +
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76 coil + + + + + + + + 8 Q2981904 9 +
77 electromagnet + + + + + + + + + + + + + + + + + + + + + + + + 24 Q178032 7 +
Σ → Autolist→ gallery→ timeline 77 42 9 53 25 38 61 1 63 73 55 56 67 62 56 48 3 29 45 45 49 49 1 5 68 57 3 71 60 50 55 33 61 64 23 74 6 1,637 avg: 21\44\57% 645 Wikimedia Commons


Chemistry videos from the Institute of Chemistry, Skopje[edit]

The experiments are described in Macedonian and English, and added to articles on the Macedonian and English Wikipedia. Some of them also found their way in other language editions too.

In June 2016 Shared Knowledge uploaded the first round of high-definition videos of experiments conducted to demonstrate various reactions in chemistry. These 20 demonstrations and experiments were performed by Prof. Vladimir Petruševski at the Institute of Chemistry at the Ss. Cyril and Methodius University of Skopje, as part of a WikiExperiments project by Shared Knowledge.

On January 22 2020, in collaboration with Professors Vladimir Petruševski, Marina Stojanovska and Miha Bukleski from the Institute of Chemistry at the Faculty of Natural Sciences and Mathematics at the University "Ss. Cyril and Methodius", have 22 recorded experiments of chemistry.

Filming videos within the Wikiexperiments project has continued on July 6, 2021. That day, at the Institute of Chemistry, with the help and demonstration of two professors - Vladimir Petruševski, Marina Stojanovska; and one associate professor/docent - Miha Bukleski, we managed to cover 18 chemistry in span of four hours. On 25th of October, Shared Knowledge again collaborated these chemistry professors at Faculty of Natural Sciences and Mathematics. In this occasion, we were able to record 5 chemistry experiments. The last date of filming experiments in 2021 was on November 9, by recording 5 videos with the help of now retired professor Vladimir Petruševski and Marina Stojanovska.

On June 1, 2022, from 10 AM to 12 PM, at the Institute of Chemistry were recorded 8 chemistry experiments that were =performed by Vladimir Petruševski and Marina Stojanovska.

On February 13, from 10 am to 1:30 pm, we were again at the Institute of Chemistry where we recorded 18 chemical experiments. The experiments were planned and performed by the retired Prof. PhD- Vladimir Petrushevski, the Prof. PhD Miha Bukleski, and the students Mihail Trajkov and Darko Stojčev.

Chemistry gallery[edit]

These are the videos of the chemistry experiments uploaded to Wikimedia Commons. They are described in Macedonian and English, but we would dearly appreciate if the descriptions can be translated in as many languages as possible and placed in their relevant articles on various Wikipedias. The thumbnail descriptions below each video here are short, and merely give an idea about their meaning. Each has a detailed description on its file page.

Note: Clicking on each description under the thumbnail will lead you to the file page with proper full description of the video.

Translation to other languages[edit]

Shared Knowledge would be very grateful to the wider Wikimedia community if the descriptions of these scientific videos can be translated from English to as many languages as possible and inserted into the relevant articles on those Wikipedias.


Article en az ba be be
-t
bs bg crh cs de el eo et hr hu hy hyw ka kk lt lv mk mt myv pl ro roa-rup ru sh sk sl sq sr tr tt uk vro Σ
Wikidata st.
1 aluminum bromide + + + + + + + + + + 10 Q259311 14 +
2 sulfur trioxide + + + + + + + + + + + + + + + + + + + + + + + + + 25 Q242715 14 +
3 magnesium silicide + + + + + + 6 Q421028 7 +
4 aluminum iodide + + + + + + + 7 Q159096 13 +
5 sulfuric acid + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 30 Q4118 28 +
6 ammonium chloride + + + + + + + + + + + + + + + + + + + + + + + 23 Q188543 25 +
7 calcium oxide + + + + + + + + + + + + + + + + + + + + + + + + + + 26 Q185006 21 +
8 potassium nitrate + + + + + + + + + + + + + + + + + + + + + + + + + 25 Q177836 17 +
9 half-reaction + + + + + + 6 Q2272343 4 +
10 ammonium dichromate + + + + + + + + + + + + + + + + 16 Q422430 12 +
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24 Johann Wolfgang Döbereiner (1780–1849) + + + + + + + + + + + + + + + + + + 18 Q63690 22 +
25 Döbereiner's lamp + + + + + 5 Q902872 6 +
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35 hydrochloric acid + + + + + + + + + + + + + + + + + + + + + + + + + + + + 28 Q2409 17 +
36 acetic acid + + + + + + + + + + + + + + + + + + + + + + + + + + + + 28 Q47512 47 +
37 sodium hydroxide + + + + + + + + + + + + + + + + + + + + + + + + + + + 27 Q102769 23 +
38 copper(II) oxide + + + + + + + + + + + + + + + + 16 Q421787 18 +
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41 mirror + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 32 Q35197 11 +
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60 Pharaoh's serpent + + + + 4 Q904180 3 +
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78 volume contraction + 1 Q7940889 1
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84 aluminium phosphide + + + + + + + + + + + + 12 Q411853 11 +
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88 essential oil + + + + + + + + + + + + + + + + + + + + + + + + + + 26 Q170885 3 +
89 metabisulfite ion + + + + + + 6 Q408776 5
90 phosphine + + + + + + + + + + + + + + + + + + + + 20 Q207877 25 +
91 mercury beating heart + + + 3 Q1282891 2 +
92 Traffic light experiment + 1 Q116869807 3
93 indigotindisulfonate sodium + + + + + + + + + + + + 12 Q410120 11 +
94 barking dog reaction + + + + + 5 Q815904 2 +
95 theatrical blood + + + 3 Q446213 2 +
96 ferric chloride + + + + + + + + + + + + + + + + + + + 19 Q399771 14 +
97 potassium thiocyanate + + + + + + + + + + + + + 13 Q412113 11 +
98 sulfur hexafluoride + + + + + + + + + + + + + + + + + 17 Q279055 20 +
Σ → Autolist→ gallery 95 40 16 33 25 47 57 2 75 89 53 56 54 56 65 56 12 35 45 37 52 66 4 11 76 67 14 81 64 62 60 35 69 65 21 76 7 1,778 avg: 18\48\49% 1,245 Wikimedia Commons


Biology videos at the Institute of Biology, Skopje[edit]

On September 29, 2021 started filming the first biology videos of experiments conducted to demonstrate various processes and reactions in scientific field. These 20 demonstrations and experiments were performed with collaboration of multiple laboratories within the Institute of Biology, by their docents and assistants, with guidance of their professors.

On June 23, 2022, starting from 9 AM to 1 PM, 21 biology experiments were shot at the Institute of Biology. The demonstrator of the experiments was Sofija Kostandinovska.

On October 13, 2022, from 10 a.m. to 2 p.m., with Sara Cvetanoska and Angela Ivanova, who are employed at the Institute of Biology of the Faculty of Natural Sciences and Mathematics, we recorded 21 videos of experiments related to the field of botany.

Biology gallery[edit]

These are the videos of the biology experiments uploaded to Wikimedia Commons. We would dearly appreciate if the descriptions can be translated in as many languages as possible and placed in their relevant articles on various Wikipedias. The thumbnail descriptions below each video here are short, and merely give an idea about their meaning. Each has a detailed description on its file page.

Note: Clicking on each description under the thumbnail will lead you to the file page with proper full description of the video.

Translation to other languages[edit]

Shared Knowledge would be very grateful to the wider Wikimedia community if the descriptions of these scientific videos can be translated from English to as many languages as possible and inserted into the relevant articles on those Wikipedias.


Article en az ba be be
-t
bs bg crh cs de el eo et hr hu hy hyw ka kk lt lv mk mt myv pl ro roa-rup ru sh sk sl sq sr tr tt uk vro Σ
Wikidata st.
1 carbonate + + + + + + + + + + + + + + + + + + + + + + + 23 Q181699 7 +
2 ion + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 29 Q36496 8 +
3 serial dilution + + + 3 Q476174 1 +
4 agar diffusion test + + 2 Q390585 1
5 most probable number + + 2 Q3866144 1
6 Escherichia coli + + + + + + + + + + + + + + + + + + + + + + + + + + 26 Q25419 15 +
7 Gram staining + + + + + + + + + + + + + + + + 16 Q188990 8 +
8 Agaricus silvicola + + + + + + + + + + + 11 Q384480 17 +
9 Melzer's reagent + + + 3 Q453548 2 +
10 Amyloid + + + 3 Q2736051 0
11 elater + + + + + 5 Q1301565 1 +
12 summer truffle + + + + + + + + + + + + + + 14 Q74692 12 +
13 Iris x germanica + + + + + + + + + + + + + + + + 16 Q161734 17 +
14 Equisetum + + + + + + + + + + + + + + + + + + + + + + + + + 25 Q28114 9 +
15 maize + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 34 Q11575 26 +
16 biuret test + + + + + + + + + + + + 12 Q804138 2 +
17 glucose + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 30 Q37525 10 +
18 blood serum + + + + + + + + + + + + + + + + + + + + 20 Q110084 4
19 hematocrit + + + + + + + + + + + + + + + + + + + 19 Q111146 5 +
20 spectrometer + + + + + + + + + + + + + + + + + + 18 Q188463 4 +
21 blood plasma + + + + + + + + + + + + + + + + + + + + + + + + + + + 27 Q79749 11 +
22 osmotic pressure + + + + + + + + + + + + + + + + + + + + + + + + 24 Q193135 5 +
23 antimicrobial agent + + + + + + + + 8 Q68541106 3 +
24 Antimicrobial chemotherapy + + + 3 Q19903319 1
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Σ → Autolist→ gallery 60 34 7 28 8 23 32 1 42 56 26 33 39 35 41 34 1 24 31 34 26 49 0 4 50 38 2 49 24 24 29 12 34 39 7 48 3 1,027 avg: 17\28\46% 543 Wikimedia Commons


Food processing and bio technology videos at the Institute of Organic Technology, Skopje[edit]

On December 23, from 10 a.m. to 1 p.m., for the first time, we had filming experiments at the Faculty of Technology and Metallurgy, Skopje, more precisely at the Institute of Organic Technology. Their staff participated by performing 5 experiments in the field of food and bio technology. Regarding the number of attendees, 18 people from the FTM participated. One person was present on behalf of Shared Knowledge.

Biology gallery[edit]

These are the videos of the biology experiments uploaded to Wikimedia Commons. We would dearly appreciate if the descriptions can be translated in as many languages as possible and placed in their relevant articles on various Wikipedias. The thumbnail descriptions below each video here are short, and merely give an idea about their meaning. Each has a detailed description on its file page.

Note: Clicking on each description under the thumbnail will lead you to the file page with proper full description of the video.

Translation to other languages[edit]

Shared Knowledge would be very grateful to the wider Wikimedia community if the descriptions of these scientific videos can be translated from English to as many languages as possible and inserted into the relevant articles on those Wikipedias.


Article en az ba be be
-t
bs bg crh cs de el eo et hr hu hy hyw ka kk lt lv mk mt myv pl ro roa-rup ru sh sk sl sq sr tr tt uk vro Σ
Wikidata st.
1 Acid orange 7 + + + + + 5 Q4674081 7 +
2 phenol formaldehyde resin + + + + + + + + 8 Q145897 5 +
3 alginic acid + + + + + + + + + + + + + 13 Q422092 6
4 anthocyanins + + + + + + + + + + + + + + + + + + + + + + 22 Q262547 6 +
5 enzymatic hydrolysis + + + + 4 Q5381536 2
Σ → Autolist 5 0 0 1 0 1 1 0 1 4 1 1 3 1 2 2 0 0 2 0 1 5 0 0 3 4 0 3 2 1 1 0 3 1 0 3 0 52 avg: 10\1\28% 26 Wikimedia Commons


External links[edit]