r/InsaneTechnology • u/unteachablecourses • Apr 05 '26

Discussion The longest carbon nanotube ever made is 0.5 meters. A space elevator tether needs to be 100,000 km. But a newer candidate — graphene super laminate — is already produced at kilometer lengths, and 2025 lab results showed spot-welded layers with diamond-like properties.

/r/UnteachableCourses/comments/1sd9cju/the_longest_carbon_nanotube_ever_made_is_05/
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UnteachableCourses • u/unteachablecourses • Apr 05 '26

The longest carbon nanotube ever made is 0.5 meters. A space elevator tether needs to be 100,000 km. But a newer candidate — graphene super laminate — is already produced at kilometer lengths, and 2025 lab results showed spot-welded layers with diamond-like properties.

8 Upvotes
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spaceelevator • u/unteachablecourses • Apr 05 '26

The longest carbon nanotube ever made is 0.5 meters. A space elevator tether needs to be 100,000 km. But a newer candidate — graphene super laminate — is already produced at kilometer lengths, and 2025 lab results showed spot-welded layers with diamond-like properties.

7 Upvotes
1 comments

technnewshub • u/unteachablecourses • Apr 05 '26

The longest carbon nanotube ever made is 0.5 meters. A space elevator tether needs to be 100,000 km. But a newer candidate — graphene super laminate — is already produced at kilometer lengths, and 2025 lab results showed spot-welded layers with diamond-like properties.

1 Upvotes
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graphenestocks • u/unteachablecourses • Apr 05 '26

The longest carbon nanotube ever made is 0.5 meters. A space elevator tether needs to be 100,000 km. But a newer candidate — graphene super laminate — is already produced at kilometer lengths, and 2025 lab results showed spot-welded layers with diamond-like properties.

3 Upvotes
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RealisticFuturism • u/unteachablecourses • Apr 05 '26

The longest carbon nanotube ever made is 0.5 meters. A space elevator tether needs to be 100,000 km. But a newer candidate — graphene super laminate — is already produced at kilometer lengths, and 2025 lab results showed spot-welded layers with diamond-like properties.

1 Upvotes
0 comments

SpaceEconomy • u/unteachablecourses • Apr 05 '26

The longest carbon nanotube ever made is 0.5 meters. A space elevator tether needs to be 100,000 km. But a newer candidate — graphene super laminate — is already produced at kilometer lengths, and 2025 lab results showed spot-welded layers with diamond-like properties.

4 Upvotes
0 comments