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Fred's user avatar
Fred's user avatar
Fred
  • Member for 9 years, 5 months
  • Last seen this week
  • Southern Hemisphere
7 votes
Accepted

What practical geographical and engineering constraints limit the depth to which you can build underground?

7 votes

What are those large cylinder "tanks" attached to the outside of trucks for?

6 votes

What is this mechanical device and what does it measure?

6 votes

Why don't public transport networks have more routes to each terminal?

6 votes

Why are so many things around us rectilinear?

6 votes

How can I build an anti proximity alarm?

6 votes

How can the alloying materials of recycled steels be separated?

5 votes

What is a reason that handlebars fit to a motorcycle and steering wheel fit to a car?

5 votes

Thoriated tungsten TIG electrodes were in use 45 years ago.What were their specific use and problems?

5 votes

Making a mechanical device to measure the radius of the Earth

5 votes

How does galvanised steel culvert withstand abrasion from solid particles in the stream?

5 votes
Accepted

How do engineers deal with sinkholes?

5 votes
Accepted

Determine elevation from the difference in air pressure

5 votes

Could a knife blade & shaft be made of 100% diamond?

5 votes

Is there a good reason for long and fixed-length serial numbers?

5 votes

Would a PE-pipe filled with concrete make a good pillar?

5 votes
Accepted

How does one define 'safe' in engineering?

5 votes

How are earthfills not eroded before they are overgrown with grass?

5 votes

Is there a term for a circular dependency in system design and engineering

5 votes

Why can't energy be entirely recovered from a moving car's rotating wheels?

5 votes
Accepted

Best way to make a sealed container for a long term storage of a USB drive?

5 votes

Where water goes in split air conditioner system in "dry" mode?

5 votes
Accepted

Have tunnel boring machines been mass produced? What are the difficulties in mass producing a tunnel boring machine?

5 votes

what is issue with my room brick wall? How can i solve it?

5 votes

Do kids under a certain age not hear the warning beeps that smoke detectors make when they are running out of battery power?

5 votes
Accepted

Is it OK for a 2 story house not have a column or pillar

4 votes
Accepted

How to make sure the material is titanium?

4 votes

If the Roman number system was so bad, how did the Romans build all that relative high-tech?

4 votes
Accepted

Ideal funnel design for powders

4 votes

They survived an elevator fall. How?

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