Anta posted:

I kind of want to know how a water park can burn, but judging from the reactions, I think I'm not watching any of that.

oohhboy posted:

They don't make them like they use to. It returned to service until it got put into a museum. A F35 would shred itself like tin foil.

Skippy McPants posted:

And if he hadn't, the jet woulda ditched which is even more expensive. Harriers are worth something like 20 mil.

ekuNNN posted:

ekuNNN posted:

also, from the schadenfreude thread:
https://i.imgur.com/JaAHS46.mp4

Skippy McPants posted:

Hey guys, let's use a fuel source that's invisible when it burns. Genius! (Yes, I know methanol is no longer used in racing fuel.)

quote:

Driverless cars are supposed to avoid accidents with lidar – which uses laser light pulses to detect hazards on the road - and other sensors such as radar and cameras. The new Uber driverless vehicle is armed with only one roof-mounted lidar sensor compared with seven lidar units on the older Ford Fusion models Uber employed, according to diagrams prepared by Uber.

In scaling back to a single lidar on the Volvo, Uber introduced a blind zone around the perimeter of the SUV that cannot fully detect pedestrians, according to interviews with former employees and Raj Rajkumar, the head of Carnegie Mellon University’s transportation center who has been working on self-driving technology for over a decade.

...

Uber referred questions on the blind spot to Velodyne. Velodyne acknowledged that with the rooftop lidar there is a roughly three meter blind spot around a vehicle, saying that more sensors are necessary.

...

Uber’s decision to move from the Fusion to a much taller vehicle exacerbated the issue of a blind spot from a single lidar unit, said former employees, because the lidar now sits up higher on top of an SUV, further reducing its ability to see low-lying objects - from squirrels to the wheels of a bicycle or a person’s legs.

One former Uber employee involved in testing both the Fusions and Volvo SUVs said that during a test run in late 2016, the Volvo failed to see a delivery truck’s tailgate lift that extended into the street, and the car nearly hit it going 35 miles-per-hour.

Doggles posted:

Remember the self-driving Uber that killed a pedestrian last week? Looks like Uber's been skimping on the senor equipment.

Yawgmoth posted:

Now I can't stop picturing a volvo wearing a giant sombrero.

Phanatic posted:

Safety is complicated. They use ethanol now because corn subsidies.

Baronjutter posted:

As someone who draws fire safety maps all day for a living you could have given me those plans and I could have pretty accurately guessed where the biggest body piles would be, it's inexcusably murderously obvious. How humans react in a fire/panic is quite well documented, you're dealing with an AI you need to game. But so many people just can't wrap their heads around it, just follow the exit signs, just remember where the door is, just read the door if it says pull or push. They don't get that 90% of people lose all control and will turn into an NPC with very basic pathfinding AI in these situations and you absolutely have to design around that poor AI. There needs to be way more aggressive fire safety enforcement for venues, and real rot-in-prison consequences for the owners.

Nocheez posted:

I thought I was a capable and smart person until that incident. If there had been a real fire, I would have been turbofucked.

Say Nothing posted:

Doggles posted:

Remember the self-driving Uber that killed a pedestrian last week? Looks like Uber's been skimping on the senor equipment.

Uber’s use of fewer safety sensors prompts questions after Arizona crash


When you lose $4.5 billion in a year you gotta start saving money somewhere, right?

Delivery McGee posted:

I was editing in a photo when you posted this, but yeah, there is a point when "just paper and cardboard" itself is bad for you.

If it looks like this, run away:

Frinkahedron posted:

This is probably a matter of classification gone wrong rather than detection.

koshmar posted:

Was this in Columbus? There was a recycling plant on the south side off of Parsons that caught fire twice in 2016.

Post poste posted:

I was in a house fire, and it took me a solid 20 seconds of seeing smoke and hearing the fire alarms at 4AM to get on enough clothing to escape without flashing everyone.

Now fire safety and fire education are a lot higher on my "employment concerns"

Delivery McGee posted:

The (in)famous NYC traffic just evaporated when the driver stepped on the Q pedal.

goatsestretchgoals posted:

Interested in this statement. Do fire trucks use pedals for sirens? For that matter, are fire trucks auto, stick, crazy 18 wheeler overlay sticks? Inquiring minds (or at least one) want to know.

quote:

San Francisco (Special). -- By the collapse of the roof of the Pacific Glass Works while it was crowded with men and boys who were watching a football game between the Stanford and University of California teams, fifteen persons were killed. More than 100 persons fell into the furnace of the factory upon ovens and retorts containing molten glass when the roof collapsed. The injured number eighty-three, and of these several cannot survive...

The fires in the furnaces had been started for the first time, and the vats were full of liquid glass. It was upon these that the victims fell. Some were killed instantly and others were slowly roasted to death. The few who missed the furnaces rolled off, and together with workmen in the glass works saved the lives of many by pulling them away from their horrible resting place.

The manager of the glass works realized the danger before the accident occurred, and had sent for the police to compel the crowd to leave. Just as a squad of officers arrived from the City Hall the roof went down.

Collateral Damage posted:

https://i.imgur.com/uOww22f.mp4

goatsestretchgoals posted:

Interested in this statement. Do fire trucks use pedals for sirens? For that matter, are fire trucks auto, stick, crazy 18 wheeler overlay sticks? Inquiring minds (or at least one) want to know.

Delivery McGee posted:

there's been studies of how a lot of firefighters have damaged hearing,

Nocheez posted:

I was in a hotel room and had passed out from a night of drinking. At 3AM some dickhole pulled the fire alarm, and it took me a solid 90 seconds to get my bearings on where I was and what to do. I eventually grabbed a pillow and put it over the siren/strobe just so I could think enough to know what to do next.

Gorilla Salad posted:

Many of those alarms are either useless or so distracting and overwhelming they make things more dangerous. As you found out, loud screaming noises diminish our ability to function well. Add in a fire and it can be life threatening.

They work great as burglar alarms because, in that instance, you want them to be all confused and poo poo.

The problem comes when people decided to take the "louder is better" and apply it to situations where people need to be able to think clearly or they die.

Nckdictator posted:

http://www.gendisasters.com/california/2924/san-francisco-ca-roof-collapse-football-game-dec-1900

Gorilla Salad posted:

You need a low pitch, bass sound or they won't even stir. A recorded voice clip is even better, preferably a mature woman.

swordfish duelist posted:

I actually work in a flat glass factory, let me tell you, you don't want to be near the furnaces let alone falling in them. That does bring up the question of if the crown of the furnaces had collapsed as well, because (at least now a days) all but the very beginning of the furnace where you load the batch in is covered. You have to have a certain atmosphere within the furnace and bath to get the proper quality glass.

Of course this is float glass, that could have been a different method.. still. Ow.

Reading is hard, going over it again it does appear they landed on mainly the steel support structure. Which is going to extremely hot as well. At my job you have to actually test hand rails before grabbing them, just in case they're too hot to handle.

Gorilla Salad posted:

Many of those alarms are either useless or so distracting and overwhelming they make things more dangerous. As you found out, loud screaming noises diminish our ability to function well. Add in a fire and it can be life threatening.

They work great as burglar alarms because, in that instance, you want them to be all confused and poo poo.

The problem comes when people decided to take the "louder is better" and apply it to situations where people need to be able to think clearly or they die.



Speaking of alarms, there was a study done more than a decade ago on why children and teens overrepresented in the data for house fire deaths, specifically in those homes with fire alarms. Turns out, the horrible annoying high pitch alarms do not reliably wake children up when they're in deep sleep.

You need a low pitch, bass sound or they won't even stir. A recorded voice clip is even better, preferably a mature woman.

It's been well over ten years since that finding, with dozens more experiments confirming the findings, but the vast majority of smoke detectors still don't have a low pitch alarm capable of waking a child.

Memento posted:

The early days of nuclear research were the loving Wild West.

shelley posted:

that’s all the stuff I had on hand, though I’m certain there’s much much more to be found. approximately a fuckton of stuff from about that time was declassified in the 1990s, so (garbage-quality) scans exist on various government websites

#20: Siberian Chemical Combine ( 13 December 1978 ) posted:

By written procedure, it was not allowed for an operator to deviate from his assigned tasks even if the deviation involved assisting others with their tasks

It was assumed that the operating personnel, because of their proficiency and discipline, would not make gross errors in loading the containers or ignore the safety limits.

Motivated by production pressures to conduct the transfers as soon as practical .....

Gorilla Salad posted:

Speaking of alarms, there was a study done more than a decade ago on why children and teens overrepresented in the data for house fire deaths, specifically in those homes with fire alarms. Turns out, the horrible annoying high pitch alarms do not reliably wake children up when they're in deep sleep.

You need a low pitch, bass sound or they won't even stir. A recorded voice clip is even better, preferably a mature woman.

It's been well over ten years since that finding, with dozens more experiments confirming the findings, but the vast majority of smoke detectors still don't have a low pitch alarm capable of waking a child.

SniperWoreConverse posted:

I heard it has to be a hydrogen atmosphere. gently caress that. Looks like my backyard glassworks isn't gonna be floating poo poo.