Pipelines are internally maintained via "PIGS" (Pipeline Inspection Gauges), which perform cleaning, inspection and other maintenance operations. The PIG is inserted via a "pig launcher" and removed via a "pig catcher." en.wikipedia.org/wiki/Pig…
Today I learned about the "Gauge War" in Great Britain. Competing widths of railroad tracks led to groups excluding competitors from their territories. To unify the system Parliament choose Narrow Gauge as the new Standard, which is now used by over half of the world's railroads. en.wikipedia.org/wiki/Gau…
France sent the one and only cat into space to gauge the effects of spaceflight on living creatures in the hopes that humans could follow en.wikipedia.org/wiki/F%C…
In 1872 urologist Sir Henry Thompson kicked of the "Prayer Gauge" controversy by proposing an experiment to test the efficacy of prayer. "One single ward or hospital ... to be made the object of prayer by the whole body of the faithful, and that ... the mortality rates should be compared" ncbi.nlm.nih.gov/pmc/arti…
Height strips on gas station doors were originally used to gauge the height of robbers but now they are used as physiological deterrents. The reason they aren't usually accurate is because they are angled to be accurate from the point of view of a security camera. slate.com/culture/2012/09…
When dashboard lights were first used in cars they were called "idiot lights" because drivers were frustrated by the warning lights used in place of gauges, making it more difficult to detect issues early since they only activated after one occurred. alansfactoryoutlet.com/th…
"dashboard" was originally a barrier of wood or leather at the front of a horse-drawn carriage or sleigh to protect a driver from mud or other debris "dashed up" by the horses' hooves. Today it refers to the evolution of that flat board which now contains displays, gauges and instruments. en.wikipedia.org/wiki/Das…
Cat whiskers are like radar. Cats use them to gauge distances and size up objects, even in the dark. pets.thenest.com/cats-nee…
The Japanese high speed trains (the Shinkansen) use a different gauge from the rest of the network. This is done to prevent any freight or slower traffic from using the network, and thus increase safety. railway-technology.com/pr…
DJ Khaled used his baby son Asahd Tuck Khaled's reactions to the sounds to gauge the quality of songs for the album "Grateful" (the baby vomiting indicated best quality), and then had the baby legally declared the album's executive producer. en.wikipedia.org/wiki/Gra…
That, from the 1940s to the 1970s, incoming freshmen at certain Ivy League and Seven Sisters were forced to take nude posture photos, to gauge the rate and severity of rickets, scoliosis and lordosis in the population en.wikipedia.org/wiki/Ivy…
Today I learned about the "Torino" Scale - DEFCON-type system which gauges the potential for near-earth-objects, meteoroids and comets to strike the earth. cneos.jpl.nasa.gov/sentry…
The Fairey Barracuda had high rate of unexplained fatal crashes often involving experienced pilots. It was found that gauges were spraying ether into the pilot’s face. en.wikipedia.org/wiki/Fai…
The U.S. Geological Survey uses the spelling "gage" vs. "gauge" for river measurements, and it's because the inventor of many of our river measurement techniques preferred Saxon to Norman spellings of English words. usgs.gov/faqs/why-does-us…
Today I learned of a flower park named Niji-no-sato (Rainbow Country) in Izu, Japan which has 6 gardens including British and Canadian villages and a 15 inch (381 mm) gauge miniature railway named Shuzenji Romney Railway whose rolling stock consists of UK-built steam engines which operates by burning real coal japaneserailwaysociety.co…
Jim Moylan invented the gas tank indicator arrow (the little triangle on your gas gauge) in 1986 and was introduced in select Ford models in 1989. He chose not to patent it and other manufacturers soon copied his idea in their vehicles. jalopnik.com/the-inventor…
When you tap on a gauge or meter to see if it is reading accurately, you are applying "dither" en.wikipedia.org/wiki/Dit…
Video game designer Toru Iwatani wanted to create a video game that could appeal to girls. To gauge their interests, he sat in cafes and eavesdropped on female conversations, until one day a group began discussing favorite foods. He used this info as the basis to create Pac-Man. venturebeat.com/2009/09/2…
The sound Cicadas and Crickets make can be used to gauge temperature. Counting a Cricket's chirps over a 15 second period, then adding 37, can give you the temperature. yesterdaysisland.com/natu…
Today I learned about gauge blocks for standards in measurments, their surface is so smooth, they stick together by something calleg Van der Waals effect youtu.be/mgL_qH70KAU
Since China and Russia use different railway gauges, trains entering to and from each country into the other have to be lifted up while passengers are onboard in order to put in new bogies. thetranssiberiantravelcom…
The Post Office Railway, is a 2 ft (610 mm) narrow gauge, driverless underground railway in London that was built by the Post Office to move mail between sorting offices. It operated from 1927 until 2003. en.wikipedia.org/wiki/Lon…
Methuselah, from the Bible, is accredited as being the oldest person to have ever lived, dying at age 969 years. But it is thought that this is a mistranslation and that he was 969 lunar months old when he died (78.5 years old) since early Judaic tribes used lunar months to gauge time. en.wikipedia.org/wiki/Met…
Today I learned about green boots, a man who died during his climbing of Mt. Everest, his body is now used as a land mark to gauge how far from the summit climbers are en.wikipedia.org/wiki/Gre…
Hood ornaments originally had thermometers to gauge the coolant level in the car. en.wikipedia.org/wiki/Hoo…
Today I learned of 'Radium Girls', US Radium, and UnDark, radium paint applied to watches and gauges. Though executives protected themselves, they denied any danger to β€˜the girls’ applying UnDark and blamed health problems on syphilis. The 'girls' died rapidly, their bodies radioactive almost a century later. messynessychic.com/2015/0…
; Pyrometric cones are used to gauge heat work in pottery kilns so they don't over heat the pottery. en.wikipedia.org/wiki/Pyr…
The supposedly arbitrary length of the Standard Gauge in railways (used by 55% of the world's lines) has its origins in the ancient Roman Empire. trn.trains.com/railroads/…
Cats actually have whiskers all over their bodies which they use to gauge data about their surroundings. catster.com/lifestyle/cat…
Today I learned about Penile Plethysmography, a device used in certain counties to gauge sex offenders level of rehabilitation by measuring their penis' reaction to certain pictures/stimulus jaapl.org/content/35/4/53…
The southern United States converted all its railroads from broad gauge (5 feet/1.524 meters) to standard gauge (4 feet 8 1⁄2 inches/​1.435 meters) in 36 hours starting on May 31, 1886 en.wikipedia.org/wiki/Tra…
Gas gauges lie to us to make us feel better. autos.aol.com/article/gas…
English has at least 38 different ways to spell the vowel sound in "say". For example <eigh> (eight), <alf> (halfpenny) <au> (gauge) etc. en.wikipedia.org/wiki/Eng…
The gauge of a shotgun is multiplicative inverse of the weight (in pounds) of the largest lead sphere that would fit in the barrel. en.wikipedia.org/wiki/Gau…
Some US & British warships during WW I used the Dazzle Camouflage scheme that had bright, loud colors and contrasting diagonal stripes to make it incredibly difficult to gauge a ship’s size and direction that were designed to confuse the German U-boats. twistedsifter.com/2010/02…
The major races use 3-year old horses because they're old enough to run impressively fast but young enough to make their full potential hard to gauge. slate.com/articles/news_a…
Thousands of miles of railroad in the US had their gauge converted in a 36 hour period in 1866 southern.railfan.net/ties…
FEMA has a Waffle House Index to gauge the severity of natural disasters marketplace.org/2015/03/0…
One of the best ultra runners in the world gained her ability after a seizure, warping her sense of time. She has no ability to gauge the amount of time she has left to run. radiolab.org/blogs/radiol…
Robert Tappan Morris created the first Internet Worm by accident trying to "Gauge the size of the Internet." He is the first to be convicted of the Computer Fraud and Abuse Act. limn.it/the-morris-worm/
After being sexually assaulted, Indian women face the "two finger exam" to gauge their level of promiscuity which could be seen as a redeeming factor for perpetrators edition.cnn.com/2013/02/0…
Dragon's breath is an exotic incendiary round for a 12 gauge shotgun. en.wikipedia.org/wiki/Dra…
There is a International Bitterness Unit ( IBU ) to gauge the bitterness of beer. beerconnoisseur.com/artic…
The US Military has conducted several "mock" biological attacks on American cities to gauge the vulnerability of the population. In 1950, the Navy secretly spraying the city of San Francisco with the bacteria Serratia and caused fatal pneumonia in at least 11 civilians. online.wsj.com/articles/S…
Remington makes the 'MasterBlaster', a fixed location, 8 gauge industrial shotgun to "to remove virtually any type of build-ups in boilers, kilns, silos, quarries or mines." remington.com/products/am…
The Pentagon proposed a "betting pool" for investors to gauge actions in the Middle East, relying on the idea the market would predict activities in the region en.wikipedia.org/wiki/Pol…
In 1948, Before the days of Neilson ratings, a TV advertiser hatched a simple, scheme to gauge the size of the audience. They offered a free pocket mirror to the first 200 viewers who wrote in requesting one. Expecting only a few hundred viewers, they received nearly 9000 requests for mirrors. en.wikipedia.org/wiki/Mar…
Restaurant scoops for ice cream, etc, age based on a gauge system and are color coded chefs-resources.com/culin…
Today I learned of penile plethysmograph tests, often used with sexual offenders, where a sensor is attached to the penis to gauge arousal level as sexual images are shown. en.wikipedia.org/wiki/Pen…
The Festiniog Railway Company of Wales is the oldest surviving railway company in the world, founded by an Act of Parliament in May, 1832. It operates the Ffestiniog Railway, the first narrow gauge railway in Britain to carry passengers, and survives in part on donations and volunteerism. en.wikipedia.org/wiki/Ffe…
The Weissman score - the metric used in the TV show Silicon Valley to gauge the quality of compression - was specifically made for the show but has real world uses en.wikipedia.org/wiki/Wei…
All climbers of Mount Everest are able to gauge their distance to the summit by the "green boots" marker. The marker is named as such because it is a dead body wearing green boots traildirt.com/hang-a-left…
In the 1940s - 1970s, incoming freshmen at certain Ivy League colleges including Harvard & Yale were photographed naked to gauge the rate and severity of rickets, scoliosis and lordosis. The remaining images were sent to the Smithsonian and most were destroyed between 1995 - 2001. en.wikipedia.org/wiki/Ivy…
In 1919 AT&T conducted more than 4,000 measurements of people's heads to gauge the best dimensions of standard headsets so that callers' lips would be near the microphone when holding handsets up to their ears en.wikipedia.org/wiki/Tim…
When the trans-mongolian railway (Moscow -> Beijing) crosses the Chinese border, the whole train is taken off its wheels to change gauge. youtube.com/watch?v=FqFn9…
On most newer cars, the fuel gauge has an arrow indicating which side (Left/Right) the fuel cap is located blog.allstate.com/is-your…
The U.S. Federal Emergency Management Agency gauges how badly an area has been affected by a storm by checking to see if the normally 24 hour, 365 day a year open Waffle Houses are operating. cbsnews.com/pictures/thin…
FEMA uses the Waffle House as an informal metric to gauge the severity of a disaster. This is because of the corporate policy to remain open in any disaster, whenever possible. What they're serving can help gauge how much assistance an area needs. fema.gov/blog/2011-07-07/…
Space heaters cause 300 deaths and 25,000 residential fires each year. Keep unit at least 3 feet away from furniture and other combustibles; placed on a hard, level surface; has a tip-over switch which auto shuts off unit if it falls over. Extension cords should be of 14-gauge wire or larger. consumer.healthday.com/ge…
Fuel gauges in cars measure the level of a floating ball, not the level of gas. This is why the needle lingers at both F and E. auto.howstuffworks.com/fu…
Dartz Motor Company made a $1.25 million dollar SUV. Features included gold and ruby embedded badges, diamond encrusted gauges, and leather made from whale penises. en.wikipedia.com/wiki/Dar…
One basis FEMA uses to gauge the severity of natural disasters is whether or not Waffle House is open and serving a full menu ehstoday.com/fire_emergen…
Chicago had a 60 mile narrow gauge underground rail frieght system until 1959 en.m.wikipedia.org/wiki/C…
After WW1 the US govt went to gauge the desires of the locals in the Mideast. The Arabs wanted democracy under an American mandate and were strongly opposed to Zionism or European rule. The report was suppressed until after Congress endorsed the creation of Israel. The NY Times was furious. query.nytimes.com/gst/abs…
Hood ornaments were invented to decorate the "motometer", a temperature gauge screwed into the radiator cap. They became purely decorative as the temperature gauge was moved to the dashboard, and the radiator cap was moved to underneath the hood. discounthoodornaments.com…
To remove any build-ups in kilns you shot them off with 8 gauge/21mm kilnguns so you don't have to shut it off to remove it by hand. Remington's gun is called: The MasterBlaster en.wikipedia.org/wiki/Fir…
There's a little arrow on your gas gauge that indicates which side your gas tank is on. (useful for a new car or rental) boardingarea.com/blogs/fl…
In 1947 Reuben Snodgrass crashed a flying car when it ran out of gas... before takeoff he had checked the car's fuel gauge rather than the plane's en.wikipedia.org/wiki/Con…
Gauge blocks, invented in 1896, have such a flat surface they cling together like magnets, despite being non-magnetic en.wikipedia.org/wiki/Gau…
Today I learned of the ConVairCar, a 1946 aircraft consisting of a standard automobile with detachable wings. Only 2 were built and one crashed when the pilot checked the car's fuel gauge rather than the aircrafts' while in flight. en.wikipedia.org/wiki/Con…
Fully discharging and recharging laptop batteries (and other Lithium based batteries) is actually damaging for the battery and it is better to undergo 'partial discharge and recharge cycles', (although a full discharge occasionally helps recalibrate the fuel gauge on a smart battery) batteryuniversity.com/lea…
U.S. Federal Emergency Management Agency (FEMA) uses the "Waffle House index" to gauge the severity of natural disasters cbsnews.com/pictures/thin…
Today I learned about the dihydrogen monoxide hoax and that it was used c. 1990 to gauge scientific literacy. en.wikipedia.org/wiki/Dih…
FEMA gauges the severity of a disaster based on whether the local Waffle House is open and serving a full menu ehstoday.com/fire_emergen…
The Curiosity rover on Mars has a 1909 VDB Lincoln penny that is used to help scientists and the public gauge the size of objects on Mars. csmonitor.com/Science/201…
There's an arrow on your car's gas gauge that shows you which side of the car your fuel tank is on.

I actually knew this for a while but just noticed it again today and figured I'd share it. Comes in handy for rental cars. EDIT:OK, apparently it's not on ALL cars. It seems to be on most newer cars though. Sorry if I have set up any false hopes of having a magnificent directional arrow.

Wired gauge with the larger number being smaller is due to the amount of Wire Drawing required to make it that smaller size en.wikipedia.org/wiki/Ame…
There is a gas tank indicator arrow on newer cars' fuel gauges, pointing to the side of the vehicle the hole to fill the gas tank is on. uprightandstowed.typepad.…
Scientists conducted a study on teenagers using MRI's to gauge how pop music affects our brains and which songs may become popular. scientificamerican.com/ar…
The gauge of a firearm is determined by the weight of a solid sphere of lead. en.wikipedia.org/wiki/Gau…
Men could gauge a woman's sexual attraction simply by noting the size of her pupils science.howstuffworks.com…
There is a checklist called the Finkbeiner Test that gauges whether or not a journalist has avoided gender bias in articles about women in science. en.wikipedia.org/wiki/Fin…
Hitler was planning to build a railway with a 3m gauge track and double-floor carriages with swimming pools and cinemas, and it would travel at speeds up to 120mph en.wikipedia.org/wiki/Bre…
Jumping spiders gauge distance by comparing a blurry image with a clear image blogs.discovermagazine.co…
During WWI, they built small-gauge temporary railways to supply troops fighting in the trenches. Since steam locomotives gave off so much smoke that the enemy could see and target them, they had to deliver to the front at night time or pull them with animals if they ran in the day. en.wikipedia.org/wiki/Tre…
There is an arrow by the gas gauge signifying which side to pump gas on.
There is a testing program to gauge how much poop a toilet can flush. map-testing.com/
The smallest commercial model railroad scale is 1:450 T gauge, which means a scale mile of track is less than 12 feet long. t-gauge.net/

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