အနုပညာ

အလှအပနှင့် ကျန်းမာရေး

လက်မှုအနုပညာ

ယဉ်ကျေးမှုနှင့် သမိုင်း

ဖျော်ဖြေရေး

ပတ်ဝန်းကျင်

အစားအစာနှင့် အချိုရည်

ပြောင်းပြန်အင်ဂျင်နီယာပညာ

သိပ္ပံပညာများ

အားကစား

နည်းပညာ

ဝတ်ဆင်နိုင်သောပစ္စည်းများ

ဘလူးပရင့်များ Environment မြေမျက်နှာသွင်ပြင်ပင်လယ်

ပင်လယ်

ဘလူးပရင့် ၂၉ ခု ရရှိနိုင်သည်

ဘလူးပရင့်များ (၂၉)

Shipping Container

Shipping Container

Pixel မှ

လှေများ

Screw Propeller

Screw Propeller

Emma မှ

လှေများ

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

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

Astro မှ

ခေတ်မီ

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

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

Astro မှ

အလယ်ခေတ်

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 မှ

အလယ်ခေတ်

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

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

Astro မှ

ဗိုက်ကင်းလူမျိုးများ

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

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

Astro မှ

ဗိုက်ကင်းလူမျိုးများ

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

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

Astro မှ

အလယ်ခေတ်

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 မှ

ကြေးဝါ

Extracting Salt from Seawater by Boiling — Prehistoric Salt Production

Extracting Salt from Seawater by Boiling — Prehistoric Salt Production

TheChef မှ

သမိုင်းမတင်မီ

Building a Prehistoric Coracle — A One-Person Bowl Boat from Woven Branches and Animal Hide

Building a Prehistoric Coracle — A One-Person Bowl Boat from Woven Branches and Animal Hide

Woody မှ

တိရစ္ဆာန်

Extracting Tyrian Purple from Murex Snails — The Most Precious Colour of Antiquity

Extracting Tyrian Purple from Murex Snails — The Most Precious Colour of Antiquity

Charlie မှ

အနုပညာ

Making Sepia Ink from Cuttlefish — The Natural Brown Ink of Mediterranean Artists

Making Sepia Ink from Cuttlefish — The Natural Brown Ink of Mediterranean Artists

Charlie မှ

အနုပညာ

Tyrian Purple from Murex — The Most Precious Dye in Human History

Tyrian Purple from Murex — The Most Precious Dye in Human History

Tex မှ

ရှေးဟောင်း

Understanding Whale Oil from Blubber Rendering — The Fuel That Lit the World Before Petroleum

Understanding Whale Oil from Blubber Rendering — The Fuel That Lit the World Before Petroleum

Bob မှ

ဇီဝဗေဒ

Extracting Omega-3 Fish Oil from Fatty Fish — The Marine Fatty Acids That Built the Brain

Extracting Omega-3 Fish Oil from Fatty Fish — The Marine Fatty Acids That Built the Brain

Bob မှ

ဇီဝဗေဒ

Producing Cod Liver Oil from Atlantic Cod — Norway's Liquid Gold

Producing Cod Liver Oil from Atlantic Cod — Norway's Liquid Gold

Bob မှ

ဇီဝဗေဒ

Understanding Bromine from Seawater Brine — The Only Liquid Non-Metal

Understanding Bromine from Seawater Brine — The Only Liquid Non-Metal

Peter မှ

ဓာတုဗေဒ

Extracting Iodine from Seaweed Ash — The Violet Vapor That Prevents Goiter

အန္တရာယ်ရှိ

Extracting Iodine from Seaweed Ash — The Violet Vapor That Prevents Goiter

Peter မှ

ဓာတုဗေဒ

Recovering Magnesium Salts from Seawater — The Lightweight Metal That Burns White

Recovering Magnesium Salts from Seawater — The Lightweight Metal That Burns White

Peter မှ

ဓာတုဗေဒ

၁ ၂ ရှေ့ဆက်