فن
خوبصورتی اور تندرستی
دستکاری
ثقافت اور تاریخ
تفریح
ماحول
خوراک اور مشروبات
سبز مستقبل
ریورس انجینئرنگ
اسکول پروجیکٹس
سائنسز
کھیل
ٹیکنالوجی
پہننے والے آلات

فلکیات

29 بلوپرنٹس دستیاب • 17 ذیلی زمرے

بلوپرنٹس (29)

Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night

Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night

Astro کی طرف سےIS

فلکیات

16
0
0
0
0
0
Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String

Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String

Astro کی طرف سےIS

Scientific Revolution (1600–1760)

15
0
0
0
0
0
Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method

Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method

Astro کی طرف سےIS

قرون وسطی

16
0
0
0
0
0
Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method

Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method

Astro کی طرف سےIS

Mathematics

12
0
0
0
0
0
Measuring the Circumference of the Earth — Eratosthenes' Shadow Method

Measuring the Circumference of the Earth — Eratosthenes' Shadow Method

Astro کی طرف سےIS

فلکیات

14
0
0
0
0
0
Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours

Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours

Penny کی طرف سےDK

خلا

18
0
0
0
0
0
Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
Hazardous content

Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy

Astro کی طرف سےIS

خلا

27
0
0
0
0
0
Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience

Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience

Penny کی طرف سےDK

فلکیات

33
0
0
0
0
0
فوکو پینڈولم بنائیں — زمین کی گردش کو ثابت کریں

فوکو پینڈولم بنائیں — زمین کی گردش کو ثابت کریں

Astro کی طرف سےIS

خلا

46
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans

Building a Mariner's Sextant — The Instrument That Conquered the Oceans

Astro کی طرف سےIS

فلکیات

20
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun

Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun

Astro کی طرف سےIS

Renaissance (1400–1600)

28
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder

Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder

Astro کی طرف سےIS

خلا

22
0
0
0
0
0
Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North

Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North

Astro کی طرف سےIS

آثار قدیمہ فلکیات

18
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely

Building a Camera Obscura — Projecting the Sun and Eclipses Safely

Astro کی طرف سےIS

قدیم

18
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements

Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements

Astro کی طرف سےIS

قدیم

19
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses

Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses

Astro کی طرف سےIS

خلا

29
1
0
0
1
0
Building a Celestial Globe — Mapping the Stars on a Sphere

Building a Celestial Globe — Mapping the Stars on a Sphere

Astro کی طرف سےIS

آثار قدیمہ فلکیات

16
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris

Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris

Astro کی طرف سےIS

سمندر

9
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar

Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar

Astro کی طرف سےIS

وائی کنگز

24
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation

Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation

Astro کی طرف سےIS

وائی کنگز

24
0
0
0
1
0