སྒྱུ་རྩལ
མཛེས་སྡུག་དང་བདེ་ཐང
བཟོ་རིག
རིག་གནས་དང་ལོ་རྒྱུས
དགའ་སྟོན
ཁོར་ཡུག
ཟས་དང་བཏུང་རྫས
ལྗང་མ་འཇོར་ལུགས
ཕྱིར་འཕྲུལ་རིག
ཚན་རིག
རྩེད་འགྲན
རིག་རྩལ
གྱོན་རུང

ས་གཞི

བིལུ་པིརིན་ཊི ༢༠༣ ཡོད • ཡན་ལག་དབྱེ་རིམ ༡༤

བིལུ་པིརིན་ཊི (༢༠༣)

Building a Galilean Telescope — The Instrument That Changed Our View of the Universe

Building a Galilean Telescope — The Instrument That Changed Our View of the Universe

Astro གྱིསIS

བར་སྣང

༡༨
Building a Copernican Orrery — A Mechanical Model of the Heliocentric Solar System

Building a Copernican Orrery — A Mechanical Model of the Heliocentric Solar System

Astro གྱིསIS

Renaissance (1400–1600)

༡༣
Building a Cross-Staff — The Medieval Navigator's Angle-Measuring Instrument

Building a Cross-Staff — The Medieval Navigator's Angle-Measuring Instrument

Astro གྱིསIS

སྐར་ཚན་རིག

༡༥
Building a Brass Astrolabe — The Islamic Golden Age Instrument That Mapped the Sky

Building a Brass Astrolabe — The Islamic Golden Age Instrument That Mapped the Sky

Astro གྱིསIS

རྒྱ་མཚོ

༡༣
Building a Chinese Armillary Sphere — The Bronze Instrument That Mapped the Heavens

Building a Chinese Armillary Sphere — The Bronze Instrument That Mapped the Heavens

Astro གྱིསIS

ལྕགས་བཟོ

༡༣
Salt-Curing Meat for Preservation — Dry Salting Without Refrigeration

Salt-Curing Meat for Preservation — Dry Salting Without Refrigeration

TheChef གྱིསDK

Food & Agriculture

༡༧
Striking Fire with Flint and Steel — The Iron Age Upgrade to Fire Starting

Striking Fire with Flint and Steel — The Iron Age Upgrade to Fire Starting

Forge གྱིསNO

མེ་སྲེག

༡༣
Boiling Water in a Leaf over Direct Flame — Why Water Keeps the Vessel from Burning

Boiling Water in a Leaf over Direct Flame — Why Water Keeps the Vessel from Burning

TheChef གྱིསDK

ནགས་ཚལ

༡༥
Forging an Iron Fish Hook — Drawing, Bending, and Barbing Wire Stock

Forging an Iron Fish Hook — Drawing, Bending, and Barbing Wire Stock

Forge གྱིསNO

ལྕགས་བཟོ

༡༡
Striking Fire from Flint and Iron Pyrite — Spark-Based Fire Starting

Striking Fire from Flint and Iron Pyrite — Spark-Based Fire Starting

Spartan གྱིསNO

འཚོ་སྲོག

༡༧
Starting Fire with a Hand Drill — The Simplest Friction Fire Method

Starting Fire with a Hand Drill — The Simplest Friction Fire Method

Spartan གྱིསNO

ནགས་ཚལ་ལག་ཤེས

༢༣
Making a Bone Fish Gorge — The Oldest Fishing Device

Making a Bone Fish Gorge — The Oldest Fishing Device

Spartan གྱིསNO

ཆུ་ནང་གནས

༡༤
Building a Carrying Frame (Pack Frame) — Wooden Backpack for Heavy Loads

Building a Carrying Frame (Pack Frame) — Wooden Backpack for Heavy Loads

Spartan གྱིསNO

འཚོ་སྲོག

༢༠
Building a Prehistoric Smokehouse — Semi-Permanent Pole Frame for Meat and Fish Preservation

Building a Prehistoric Smokehouse — Semi-Permanent Pole Frame for Meat and Fish Preservation

Spartan གྱིསNO

ཤིང་བཟོ

༢༠
Making Wooden Fire Tongs — Split-Stick Spring Tongs for Handling Hot Stones and Coals

Making Wooden Fire Tongs — Split-Stick Spring Tongs for Handling Hot Stones and Coals

Woody གྱིསNO

ནགས་ཚལ

༡༨
Carving a Stone Oil Lamp — Soapstone Fat Lamp with Wick Channel

Carving a Stone Oil Lamp — Soapstone Fat Lamp with Wick Channel

Spartan གྱིསNO

ནགས་ཚལ

༢༥
Making Rope from Stinging Nettle Fibre — Plant Bast Extraction and Reverse Twist

Making Rope from Stinging Nettle Fibre — Plant Bast Extraction and Reverse Twist

Tex གྱིསFO

རས་དང་པགས

༡༢
Digging a Pitfall Trap for Large Game — Concealed Pit Hunting

Digging a Pitfall Trap for Large Game — Concealed Pit Hunting

Spartan གྱིསNO

ནགས་ཚལ་ལག་ཤེས

༡༡
Making Snowshoes from Bent Wood and Rawhide Lacing — Winter Mobility

Making Snowshoes from Bent Wood and Rawhide Lacing — Winter Mobility

Spartan གྱིསNO

འཚོ་སྲོག

༢༢
Building a Bark Canoe — Birch Bark Frame Watercraft

Building a Bark Canoe — Birch Bark Frame Watercraft

Woody གྱིསNO

ཆུ་ནང་གནས

༢༤