hikaymm
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Why in the world is this blade on fire?

I had one of those days where I ended up spending far longer watching videos about a topic I never knew I'd be interested in. Today's topic: the famous Viking sword...the Ulfbehrt!
Basically, I saw this gif on reddit, and just really needed to know what part of the sword making process would need the blade to be on fire like that--apparently, it's called quenching, but I wanted to know more.
If you just want to see the gif section, it runs from 46:04 to 46:40 in the video above, but I somehow ended up watching the whole thing (and this wasn't exactly the most thrilling documentary...)
BUT! I was able to learn why it looked so badass in the original gif: we're seeing the smith cool down the sword very, very quickly in an oil-bath to harden the steel. Oil baths are heated to a higher temperature than water, which means the blade can cool slower at first. Different quenchants (apparently that is what you call the liquid used to cool blades during the quenching in) are used for different steels to impart specific internal structures that make the steel hard and flexible.
Sadly, I don't think they usually pull the sword out of the oil early and let it flame like this (for safety reasons). Blades shouldn't be removed from the quenchant (lol this work just kills me every time) until they are below the flash point of the oil. Still, I'm glad they did for the video because it's pretty cool!!
I honestly don't know why I'm writing this card but I thought it was pretty cool and you might too so hey hi hello if you're into this kind of stuff come hang out in the comments XD
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that's interesting! i want one now lol
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Provides teaching services for a wide range of super-printed eras, including Turing in educational disciplines from infants to professionals, as well as in special activities such as musical instrument education and sports training! With local and online tuition, you can learn practically anything anywhere in the world. Tutors placed on the books of some agencies will often be protected by the agency as part of the application process so that students do not have to worry about checks, qualifications, teaching ability and choice. Other Internet sites are used as a platform for Tutor UK, for example, to take care of their services directly. Tutors pay a fee to become a member of the site which then allows them to create a profile and advertise their services. The student contacts the teacher directly and pays. Although there has been some testing done by sites, it is probably not as rigorous as done by agencies. There are also some best online tutoring sites in UK such as Tutor Class which are free for teachers to advertise, although students have to verify their credentials. Getting lessons in this way can be cheap as any commission charging agency does not pay the teacher. Still, there is no guarantee about the teacher's knowledge, experience and qualifications. Benefits of hiring a personal tutor  In London alone, 43% of students use a private home tutor, so some work needs to be done, right? With the size of the class in recent years in the UK, teachers often do not have as much time spent with students on an individual basis as they once did. The use of a private tutor can be invaluable as it not only ensures that the student covers the work of the respective curriculum but also provides that their approach to the work of the curriculum is appropriate. 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With private tuition, students are allowed to focus on issues in which they do not fully understand because, without the basics, learning becomes increasingly difficult over time. Good faith Searching a private tutor often increases students' need for confidence. Due to the 'one-to-one' nature of private tuition, teachers can quickly identify areas in which students may need improvement - something that students may not recognize themselves. To instil a little confidence in a student, all one has to do is identify a teacher that they are doing well and suggest how they can improve in the area in which they are falling short. Flexible learning For some students, working within 9 to 5 school days does not always motivate their maximum learning ability. Some students, who study creative subjects, find that they work best at certain times of the day. The use of a private home tutor London allows students to schedule lessons when it suits them. Good time management For students, the biggest challenge in their school career is managing their time effectively. They may have many other interests outside of school, and it can often be challenging to balance each of them properly. A good tutor will be able to suggest students to come up with their study program and when, where and how to study. It's cheap Private tuition is on the rise and, according to a recent survey by Edplace, is estimated at $6 billion. While private home tutor in London was considered somewhat luxurious, demand for the service ensured that prices were now competitively affordable. Tuition prices vary according to the teacher's experience and qualifications, but in general, tutors charge anywhere in the range of £15 - £70 per hour. A recent survey by the first teacher shows that the average teacher takes 22 hours per hour. Undivided meditation Busy classrooms are dominated by the most confident, needy and attention-grabbing students. 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