IṢẸ́ ỌNÀ
ẸWÀ ÀTI ÌLERA
IṢẸ́ ỌWỌ́
ÀṢÀ ÀTI ÌTÀN
ÌṢERÉ
ÀYÍKÁ
OÚNJẸ ÀTI OHUN MÍMU
REVERSE ENGINEERING
SÁYẸ́ǸSÌ
ERÉ ÌDÁRAYÁ
ÌMỌ̀-Ẹ̀RỌ
ÀWỌN OHUN WÍWỌ̀
Ìmọ̀ Ìràwọ̀
Ìtọ́nisọ́nà 35 wà • Ẹ̀ka kékeré 17
Ṣàwárí Àwọn Ẹ̀ka Kékeré
Àwọn Ìtọ́nisọ́nà (35)

Michelson's Stellar Interferometer
láti ọwọ́ Astro
Ti Ojú
52
0
0
0
0
0

Léwu
Shot Tower
láti ọwọ́ Forge
ÌMỌ̀-Ẹ̀RỌ
44
0
0
0
0
0

Impact Craters
láti ọwọ́ Astro
Ti Pílánẹ́ẹ̀tì
49
0
0
0
0
0

The Theodolite
láti ọwọ́ Astro
Astrometry
53
0
0
0
1
0

The Marine Chronometer
láti ọwọ́ Astro
Ìmọ̀ Ìràwọ̀
19
0
0
0
1
0

Foucault Knife-Edge Test
láti ọwọ́ Astro
SÁYẸ́ǸSÌ
56
0
0
0
0
0

Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night
láti ọwọ́ Astro
Ọ̀rúndún Àárín
44
0
0
0
0
0

Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String
láti ọwọ́ Astro
Scientific Revolution (1600–1760)
42
0
0
0
0
0

Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method
láti ọwọ́ Astro
Ọ̀rúndún Àárín
58
0
0
0
0
0

Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method
láti ọwọ́ Astro
Ìgbà Àtijọ́
66
0
0
0
0
0

Measuring the Circumference of the Earth — Eratosthenes' Shadow Method
láti ọwọ́ Astro
Ìgbà Àtijọ́
45
0
0
0
0
0

Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
láti ọwọ́ Penny
Optics
59
0
0
0
0
0

Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
láti ọwọ́ Astro
Optics
82
0
0
0
1
0

Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
láti ọwọ́ Penny
Optics
101
0
0
0
1
0

Ṣe Àkìtì Foucault — Ṣe Itọ́sọ́ Ayé Hàn
láti ọwọ́ Astro
Òde Òní
120
0
0
0
0
0

Building a Mariner's Sextant — The Instrument That Conquered the Oceans
láti ọwọ́ Astro
Òde Òní
75
0
0
0
0
0

Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
láti ọwọ́ Astro
Renaissance (1400–1600)
75
0
0
0
0
0

Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
láti ọwọ́ Astro
Ọ̀rúndún Àárín
70
0
0
0
0
0

Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North
láti ọwọ́ Astro
Àwọn Ará Ẹgbẹ́
231
0
0
0
0
0

Building a Camera Obscura — Projecting the Sun and Eclipses Safely
láti ọwọ́ Astro
Ìgbà Àtijọ́
855
0
0
0
0
0

Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
láti ọwọ́ Astro
Ìmọ̀ Ìràwọ̀
55
0
0
0
0
0

Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
láti ọwọ́ Astro
Renaissance (1400–1600)
104
1
0
0
2
0

Building a Celestial Globe — Mapping the Stars on a Sphere
láti ọwọ́ Astro
Ọ̀rúndún Àárín
51
0
0
0
0
0

Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
láti ọwọ́ Astro
Ọ̀rúndún Àárín
61
0
0
0
0
0
Ń fi 24 nínú 35 hàn