Næste

⁣The Insane Engineering of the A-10 Warthog
00:16:27
⁣The Insane Engineering of the A-10 Warthog
2,560 Visninger ·
⁣The Insane Engineering of the SR-71 Blackbird
00:18:55
⁣The Insane Engineering of the SR-71 Blackbird
1,791 Visninger ·
⁣A Guide To Designing Low-Cost Ventilators for COVID-19
00:15:34
⁣A Guide To Designing Low-Cost Ventilators for COVID-19
1,410 Visninger ·
⁣Why Was Normandy Selected For D-Day?
00:14:54
⁣Why Was Normandy Selected For D-Day?
2,784 Visninger ·
⁣Will New York Be Underwater by 2050?
00:12:42
⁣Will New York Be Underwater by 2050?
2,402 Visninger ·
⁣Is 100% Renewable Possible By 2050? - Interconnectors
00:11:06
⁣Is 100% Renewable Possible By 2050? - Interconnectors
4,368 Visninger ·
⁣Can Underwater Turbines Solve Our Energy Problems?
00:14:24
⁣Can Underwater Turbines Solve Our Energy Problems?
533 Visninger ·
⁣The World s Oldest Construction Project | Sagrada Familia
00:18:18
⁣The World s Oldest Construction Project | Sagrada Familia
1,122 Visninger ·
⁣Why Does Wing Dihedral Make Planes Stable?
00:09:39
⁣Why Does Wing Dihedral Make Planes Stable?
4,955 Visninger ·
⁣The Material Science of Metal 3D Printing
00:15:00
⁣The Material Science of Metal 3D Printing
4,254 Visninger ·
⁣Is The F-35 Worth $115 Million?
00:23:49
⁣Is The F-35 Worth $115 Million?
915 Visninger ·
⁣This Might Be a Brand-New Kind of Star | Space News
00:05:51
⁣This Might Be a Brand-New Kind of Star | Space News
3,792 Visninger ·
⁣Could Dark Matter Stars Exist?
00:05:24
⁣Could Dark Matter Stars Exist?
3,229 Visninger ·
⁣Perseverance Landed on Mars! Now What? | SciShow News
00:05:56
⁣Perseverance Landed on Mars! Now What? | SciShow News
4,326 Visninger ·
⁣The Surprising Benefits of Space Flies
00:06:29
⁣The Surprising Benefits of Space Flies
4,214 Visninger ·
⁣Spacecraft Need New Heat Shields. Cue the Cuttlefish?
00:04:50
⁣Spacecraft Need New Heat Shields. Cue the Cuttlefish?
2,192 Visninger ·
⁣Phobos Is Hiding Secrets About Mars s Atmosphere | SciShow News
00:06:23
⁣Phobos Is Hiding Secrets About Mars s Atmosphere | SciShow News
4,946 Visninger ·
⁣NASA Is Giving Up on Their Mars Mole | SciShow News
00:05:44
⁣NASA Is Giving Up on Their Mars Mole | SciShow News
985 Visninger ·
⁣3 Cosmic Time Capsules
00:06:39
⁣3 Cosmic Time Capsules
804 Visninger ·

煤炭的難題

0 Visninger· 10/22/23
國家地理雜誌 National Geographic Magazine
國家地理雜誌 National Geographic Magazine
1,893 Abonnenter
1,893
I Discovery

環保人士說，乾淨的煤根本就是神話。 這當然沒錯。只要看看西維吉尼亞州就知道了：為了開採底下的煤礦，阿帕拉契山的一座座山峰被剷成了凹谷...

Vis mere
 0 Kommentarer sort   Sorter efter


Næste


⁣The Insane Engineering of the A-10 Warthog
00:16:27
⁣The Insane Engineering of the A-10 Warthog
2,560 Visninger ·
⁣The Insane Engineering of the SR-71 Blackbird
00:18:55
⁣The Insane Engineering of the SR-71 Blackbird
1,791 Visninger ·
⁣A Guide To Designing Low-Cost Ventilators for COVID-19
00:15:34
⁣A Guide To Designing Low-Cost Ventilators for COVID-19
1,410 Visninger ·
⁣Why Was Normandy Selected For D-Day?
00:14:54
⁣Why Was Normandy Selected For D-Day?
2,784 Visninger ·
⁣Will New York Be Underwater by 2050?
00:12:42
⁣Will New York Be Underwater by 2050?
2,402 Visninger ·
⁣Is 100% Renewable Possible By 2050? - Interconnectors
00:11:06
⁣Is 100% Renewable Possible By 2050? - Interconnectors
4,368 Visninger ·
⁣Can Underwater Turbines Solve Our Energy Problems?
00:14:24
⁣Can Underwater Turbines Solve Our Energy Problems?
533 Visninger ·
⁣The World s Oldest Construction Project | Sagrada Familia
00:18:18
⁣The World s Oldest Construction Project | Sagrada Familia
1,122 Visninger ·
⁣Why Does Wing Dihedral Make Planes Stable?
00:09:39
⁣Why Does Wing Dihedral Make Planes Stable?
4,955 Visninger ·
⁣The Material Science of Metal 3D Printing
00:15:00
⁣The Material Science of Metal 3D Printing
4,254 Visninger ·
⁣Is The F-35 Worth $115 Million?
00:23:49
⁣Is The F-35 Worth $115 Million?
915 Visninger ·
⁣This Might Be a Brand-New Kind of Star | Space News
00:05:51
⁣This Might Be a Brand-New Kind of Star | Space News
3,792 Visninger ·
⁣Could Dark Matter Stars Exist?
00:05:24
⁣Could Dark Matter Stars Exist?
3,229 Visninger ·
⁣Perseverance Landed on Mars! Now What? | SciShow News
00:05:56
⁣Perseverance Landed on Mars! Now What? | SciShow News
4,326 Visninger ·
⁣The Surprising Benefits of Space Flies
00:06:29
⁣The Surprising Benefits of Space Flies
4,214 Visninger ·
⁣Spacecraft Need New Heat Shields. Cue the Cuttlefish?
00:04:50
⁣Spacecraft Need New Heat Shields. Cue the Cuttlefish?
2,192 Visninger ·
⁣Phobos Is Hiding Secrets About Mars s Atmosphere | SciShow News
00:06:23
⁣Phobos Is Hiding Secrets About Mars s Atmosphere | SciShow News
4,946 Visninger ·
⁣NASA Is Giving Up on Their Mars Mole | SciShow News
00:05:44
⁣NASA Is Giving Up on Their Mars Mole | SciShow News
985 Visninger ·
⁣3 Cosmic Time Capsules
00:06:39
⁣3 Cosmic Time Capsules
804 Visninger ·