'Green steel' heating up in Sweden's frozen north – HYBRIT is a joint venture between SSAB, mining company LKAB and Swedish state-owned power firm Vattenfall
5
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What are the differences between the Autobahnen and the Interstate Highway System?
I know there are some Germans on Tildes, figure at least one of y’all might know. How does a typical Autobahn differ from a typical Interstate in design and construction? How often is repair work...
I know there are some Germans on Tildes, figure at least one of y’all might know. How does a typical Autobahn differ from a typical Interstate in design and construction? How often is repair work done and how long does it last? What work would be required to upgrade an Interstate to Autobahn standards?
7 votes -
Inside a urinal auto siphon
6 votes -
What really happened during the 2003 blackout?
7 votes -
Can you pump sewage? When it comes to wastewater, what goes down must come up again.
1 vote -
Rebuilding the Oroville Dam spillways
7 votes -
The Thames Barrier must never fail. Here's why it doesn't.
9 votes -
How retaining walls work, and why they collapse
12 votes -
Turning buildings into batteries? Concrete battery storage explained.
3 votes -
Construction work has begun on the German side of an underwater tunnel connecting Germany and Denmark – €7 billion project set to be completed by 2029
6 votes -
How road barriers stopped killing drivers
6 votes -
What really happened at the Millennium Tower?
6 votes -
Undersea rail-road tunnel between Denmark and Germany – Fehmarn Belt Fixed Link explained
6 votes -
Skellefteå has wooden schools, bridges, even car parks – we visit Sweden to see what a climate-conscious future looks like
7 votes -
US civil engineers bent the rules to give New Orleans extra protection from hurricanes
9 votes -
Repairing underground, high voltage power lines is nearly impossible
6 votes -
Dubai has built the world's deepest pool
5 votes -
Why cranes collapse
2 votes -
Solar domes could desalinate seawater at a commercial scale
8 votes -
Swedish green steel venture HYBRIT has made the world's first customer delivery of steel, produced without using coal, to Volvo
15 votes -
Surfside condo collapse: What we know so far
11 votes -
LeMessurier Stands Tall - A Case Study in Professional Ethics
4 votes -
After the Florida building collapse, condos struggle to fund big repairs
11 votes -
How sewer pipes work (feat. fake poop)
3 votes -
Majority of Florida condo board quit in 2019 as squabbling residents dragged out plans for repairs
19 votes -
What really happened at the Hernando de Soto bridge?
8 votes -
What really happened at the Oroville Dam Spillway?
8 votes -
Tens of thousands of large dams are reaching the end of their expected lifespans, leading to a dramatic rise in failures and posing a serious threat to hundreds of millions living downstream
10 votes -
Is the F-35 worth $115 million? An engineering deep-dive.
5 votes -
Faroe Islands are set to open an under-sea roundabout – the underwater tunnels connect the islands of Streymoy and Eysturoy in a network some 11km long
13 votes -
Screws - The early years
8 votes -
What is gasoline?
2 votes -
What is a tuned mass damper?
4 votes -
British plugs are better than all other plugs, and here's why
17 votes -
Environmentalists have held protests outside a court that is deciding on a tunnel link between Germany and Denmark – they say the project is flawed on many levels
6 votes -
Demo and teardown of an X-ray fluorescence gun (measures chemical composition)
5 votes -
Why the Golden Gate Bridge sounds like a David Lynch movie now
10 votes -
What is a culvert?
10 votes -
Michael Reeves builds a surgery robot
19 votes -
Construction of the world's longest immersed tunnel connecting Denmark and Germany will begin in January next year
6 votes -
EU state aid regulators clear Danish financial support for a rail-road link between Denmark and Germany
4 votes -
SSAB has teamed up with Vattenfall and LKAB to build a pilot plant for the world's first fossil fuel free steel-making process
5 votes -
Diagnosing the steel failure in the SF Transit Center
8 votes -
Engineering with origami
6 votes -
Let China build the longest undersea rail tunnel between Finland and Estonia – more geopolitical advantages than risks
5 votes -
Where Manhattan’s grid plan came from
5 votes -
Finland to Estonia undersea rail tunnel project has taken a step forward
12 votes -
Norway is building the world's first submerged floating tunnel to cross the fjords
7 votes -
City Builders EP4 - Get people thinking
7 votes -
Can bacteria help us prevent salt damage to concrete roads and bridges?
4 votes