/eng/ - Engineering

All units in mm

If cast iron:

2.55

5.11

10.22

15.33

20.44

25.55

If steel,

2.34

4.69

9.37

14.06

18.74

23.43

Lean to math you fucking retard.

>>140

Something you care about, enjoy or are good at. The field is so varied sometimes it's hard to even guess what you could end up doing in your career and what it will ultimately boil down to is how you, personally, apply and use what you have learned.

Being strong at math is generally good but I think it's something everyone should try and continue as a hobby in some capacity, just so your skills don't atrophy.

Some rudimentary business studies or economics is probably sensible because it's good to know how and why companies behave the way they do.

Computer science because programming is just a useful tool.

>>41

Radio and nano level engineering. Hopefully I can go study it in a year or so.

>>168

I get the feeling there's a lot of foundational work getting done in the nano field and it's really going to take off very soon.

Medical uses such as drug delivery systems,

Nanocoatings with finely tuned properties would be used absolutely everywhere if they were cheap enough. From really big things like bridges to everything else that needs coated, it's a big market.

Nanotubes could usher in a new era of lightweight, superstrong products.Strength:Weight is going to be blown out of the water; driveshafts can be made a lot smaller, cables can be longer and high speed rotating machinery will just be better (Notice the relationship for centripetal acceleration, mv^2. That squared value for angular velocity makes numbers get fucking silly very quickly and it's useful to get rid of as much mass as possible. I can't give any examples of what cool stuff could be done with it but it looks useful. Less bearing load?)

He appears to know what he's talking about.

>>157

Fukushima 2011

>The Fukushima Daiichi nuclear disaster was a nuclear disaster at the Fukushima I Nuclear Power Plant that began on 11 March 2011 and resulted in a nuclear meltdown of three of the plant's six nuclear reactors.

I was wary about this episode because the disaster has been so hyped from the second that it happened. I think it turned out OK and they didn't go completely OTT with sensationalism.

I think the newer episodes of "Seconds From Disaster" lack concentration on the technical details when compared to older episodes.

Challenger 1986

>The Space Shuttle Challenger disaster occurred on January 28, 1986, when the NASA Space Shuttle orbiter Challenger (OV-099) (mission STS-51-L) broke apart 73 seconds into its flight, leading to the deaths of its seven crew members, which included five NASA astronauts and two Payload Specialists. The spacecraft disintegrated over the Atlantic Ocean, off the coast of Cape Canaveral, Florida at 11:38 EST (16:38 UTC). Disintegration of the vehicle began after an O-ring seal in its right solid rocket booster (SRB) failed at liftoff.

I knew about the O-ring and it's insufficient properties at low temperature but I didn't know about the strong winds (300km/h jet-stream) that happened right before the actual explosion, they got telemetry from a passenger plane that passed over the launch site 30 minutes prior. It flexed the booster rockets enough to let the leak begin.

>>159

Columbia 2003

>The Space Shuttle Columbia disaster occurred on February 1, 2003, when Columbia disintegrated over Texas and Louisiana as it reentered Earth's atmosphere, killing all seven crew members.

>During the launch of STS-107, Columbia's 28th mission, a piece of foam insulation broke off from the Space Shuttle external tank and struck the left wing. A few previous shuttle launches had seen minor damage from foam shedding, but some engineers suspected that the damage to Columbia was more serious. NASA managers limited the investigation, reasoning that the crew could not have fixed the problem if it had been confirmed.

Union Carbide Chemical Leak

Thousands of people died

Thousands more scarred

It was, and still is, an environmental disaster

Its on of the worst Chemical Engineering Disasters.

http://edition.cnn.com/2015/07/07/tech/giant-robot-fight-challenge-accepted/

http://phys.org/news/2015-07-destruction-earth-life-humans-jeopardy.html

CNC Machines

>>147

China is 3D printing buildings.

Moon and Mars bases will likely need 3D printed.

>>151

And then there's this guy who built his own concrete 3D printer to build a small castle in his backyard.

>>152

>>151

More 3D printed buildings

>>149

> what are the fields that i can work in it and the Job opportunities

Pretty much everything needs electrics and signals so pick an industry and work back from there. If you have practical skills you can make opportunities for yourself to work as a specialist contractor with the chance to travel a lot. Or there is plenty of work for research and design.

I've recently seen an estimate saying £950bn will be spent on the worldwide nuclear industry between 2015-2020.

Robotics/mechatronics/4D printing are poised for a boom. How do you like the sound of designing equipment for robots that are to be used in the event of a nuclear cleanup operation?

>>139

You need math textbooks. I'll sort out a package of them over the next few days. Have just finished a work contract so I can spend more time online for the next little while.

>>125

cool project. Did you consider noise shielding / blast deflectors?