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BRADY HARAN: Hi everyone.
You've probably noticed from the lack of "Numberphile"
videos lately and my Grizzly Adams beard
that I've been away.
I've been in Nepal doing various bits and pieces.
But I've also been keeping my eye open for bits of numbery
trivia and a few things I've come back with that I thought
were worth sharing.
Now, anyone who knows anything about Nepal knows almost
everywhere you go, you're being watched by these
Buddhist wisdom eyes.
But one thing I didn't know was that little curly nose
that looks like a question mark, well
actually, that's a number.
It's an ornate version of the Nepali number one.
Its symbolism is unity.
And here's the number one on their money.
You can see that's what a one looks like.
And here's the number one on a motorcycle license plate.
So there are always numbers where you least expect it.
Another number that's really important in both Buddhism and
Hinduism, I learned, was 108.
And 108 is everywhere in Nepal.
Even these recesses here cut in the stupa,
there's 108 of them.
It's actually quite good fun when you're in Nepal seeing
how many places you can find that number 108.
Now, here's another number, 261.
That's the number of photos on this SD card.
This card was found by my Nepalese trek leader, Budhi,
while he was actually going to the toilet in some bushes.
It was raining.
And this thing was soaking wet when he found it.
But we found out later on, the photos were still on there.
I don't know whose photos they are.
But I know if someone found my holiday photos, I'd want them
to return them.
So if you recognize these people, have a look at the
link under my video and help me get in touch with them,
because I'd love to return their holiday photos to them.
Now, that trek was to Everest base camp.
And those of you who are familiar with "Numberphile"
will know that I actually went there last year.
It's a place I'm really into.
Have a look at this photo I took this year, though.
There's Mt.
Everest in the background.
8,848 meters high.
We're having a bit of fun there with the torch.
I've already done a video about the height of Mt.
Everest and some of the numbers.
So have a look at that if it's something that interests you.
And another video we've done before is all about the
Nepalese flag.
So that's one you can also have a look at if you're
interested.
But this year what I did, was as we went to all the
different elevations, we boiled water and had a look at
how the boiling point of water changes.
BUDHI: And the boiled water temperature is 88.
BRADY HARAN: I'm doing that video for my chemistry
channel, which is called "Periodic Videos." So
subscribe to that and have a look if it's something you
might be interested in.
It's very numbery, of course.
And just to show that I'm always thinking of
"Numberphile," I couldn't resist getting a bit of
footage of this mountain here.
It's called Mt.
Numbur.
That's Numbur, Numbur.
I read on the internet that some people say it has the
shape of a female breast.
It's not something I can see myself.
But there you go, Mt.
Numbur for all the numberphiles.
E making be equal to ab.
4 touching e, draw a line fg starting from the point f on
line ac, parallel to ab to the--