Cojawfee posted:

I'm guessing those are to knock people off the top of the train?

Otteration posted:

Gonna guess that the spheres are to warn of a tunnel ahead and are not made of concrete (looks like plastic or maybe Al).

The hazard mitigation hierarchy for equipment manufacturers in the US (based mostly on precedence in tort law for commercial applications) goes something like:

Where possible:

1. Design the hazard completely out of the equipment (like add more cars to the train in this case).

2. If not possible, cover the hazard in such a way that the hazard is inaccessible under all foreseeable circumstances (can’t cover the tunnel or lower the tracks).
[Note: Didn’t foresee the injured worker finding a “special” way to access the hazard? Call the lawyers.]

3. If not possible, shield the hazard in such a way that the hazard can’t be foreseeably accessed during “normal” operation (but can for stuff like cleaning) and add suitable warning labels as needed (can’t shield the tunnel).
[Note: Ibid on the lawyers for suitable, as needed, and foreseeable.]



4. If not possible, add suitable warning labels as needed (or floating spheres!?).
[E,g. Some of the equipment I worked on had large augers that would not function as needed if covered, so labels alone had to mitigate the hazard.]

article posted:

Railway staff in Indonesia have started hanging concrete balls above train tracks to try to prevent commuters from riding on carriage roofs.

The first balls were installed just above carriage-height near a station outside the capital, Jakarta.

More will be put up elsewhere if they are found to keep people off the roofs.

Previous attempts to deter roof riders included spraying roofs with paint, spreading oil on carriages and hiring musicians to perform safety songs.

The balls - which can deliver a severe blow to the head - will be suspended a few inches above the tops of carriages at points where trains enter or pull out of stations, or where they go through crossings.

Ornamental Dingbat posted:

They're not plastic. Read the article.

CommieGIR posted:

https://www.youtube.com/watch?v=cMadkJO0Xhg

A lot of the actual movement is programmed by leading the robot, then setting the parameters for start/stop of action. Its very much taught.

Azhais posted:

Kazy posted:

Kids have "only call 911 if it's a REAL EMERGENCY otherwise the police will ARREST YOU" drilled into their heads so hard it makes people wary to call 911 in the event of an actual emergency.

Cable Guy posted:

I didn't know Tesla made diagnostic tools....

RFC2324 posted:

I just can't believe hiring street musicians to play safety songs didn't work

Platystemon posted:

Every kid should be given an opportunity to call emergency services on something that’s a legitimate emergency, but isn’t an immediate threat to anyone’s safety.

Let them get over some of their anxiety when they report that grass fire. Don’t make their first call be for grandma.

Kenning posted:

Start a grassfire on a freeway median so your kids have a chance to call 911

RFC2324 posted:

I just can't believe hiring street musicians to play safety songs didn't work

RFC2324 posted:

I just can't believe hiring street musicians to play safety songs didn't work

GWBBQ posted:

No, you have to shame them. Like in Bogota when ticketing people for jaywalking didn't reduce it so they hired mimes and people in zebra suits to make fun of them instead.

GWBBQ posted:

No, you have to shame them. Like in Bogota when ticketing people for jaywalking didn't reduce it so they hired mimes and people in zebra suits to make fun of them instead.

Mozi posted:

Jaywalking is a self-victimizing crime

Also you know where I live you cross at the crosswalk and cars stop for you when you do that

Arivia posted:

there's not a crosswalk for 5-10 minutes in either direction

McGavin posted:

One of my friends got out of a jaywalking ticket because his name is Jay Walker. He told the cop "I just can't help it, it's in my nature," when he handed over his ID.

Ornamental Dingbat posted:

They're not plastic. Read the article.

Arivia posted:

great yes

but if we're ticketing people for crossing in the middle of a block or something when pedestrian-unfriendly planning means there's not a crosswalk for 5-10 minutes in either direction, the cars should be the ones stopping and the pedestrian shouldn't be paying a fine. you've got the go fast vroom vroom vehicle, you can afford to take a break for 10s to let someone cross.

jsoh posted:

stopping people from getting hurt riding your train wrong by killing them seems like a weird strategy

Azhais posted:

Ornamental Dingbat posted:

I'm sure the more pressing issue is discouraging non-paying passengers.

KozmoNaut posted:

When people ask you how you're doing and you go "fine, and you?"

Blue Footed Booby posted:

Maybe, but it could easily be the razor wire method of security: make something that's only somewhat inherently dangerous so obviously dangerous it's not worth it. Or maybe cleaning mangled bodies out of tunnels is really expensive, idk.

EvilJoven posted:

We need to bring back openly mocking jay driving, going so far as to tar and feather drivers that injure and kill people.

The history of the rich normalizing personal automobiles dominating public roadways and killing anything that gets in their way is very anti OSHA.

Phanatic posted:

I...have not seen this technique before.

https://twitter.com/haveVglass/status/1493172412120281090?s=20&t=LkdcewdGQvf6BUf1dUwXiA

tater_salad posted:

yeah I thought they had helper wheels for takeoff, and cars for landing

Mr. Nice! posted:

It looks like it's ready to take flight before it even starts moving.