Amazing piece of metal (speculum)
Рет қаралды 837,836
Күн бұрынThis small disc of metal - made from speculum - is an important part of history.
The metal is an alloy of tin and copper with some arsenic thrown in.
Discussed by Professor Martyn Poliakoff at the Royal Society, in London.
It is the primary mirror from Sir Isaac Newton's original reflecting telescope.
Brady inside big telescopes: bit.ly/telescopetours
More chemistry at www.periodicvideos.com/
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From the School of Chemistry at The University of Nottingham: bit.ly/NottChem
Periodic Videos films are by video journalist Brady Haran: www.bradyharan.com/
A run-down of Brady's channels: bit.ly/bradychannels
@periodicvideos 4 жыл бұрын
These videos are made by Brady Haran - check out his "Unmade Podcast" here: bit.ly/UnmadePlaylist
@worddunlap 7 жыл бұрын
The Royal Society should get a new telescope. There are many advances since the 1600s.
@kons37flyingreaperoldchann21 4 жыл бұрын
If they haven't buyed a new one they won't need another one
@acmefixer1 3 жыл бұрын
😂😂😂 The telescope should get a new Royal Institute. Put the old one in the museum. 🤣🤣
@Metaldetectiontubeworldwide Жыл бұрын
🤣🤣
@zee339 9 жыл бұрын
it is such a fine line between a hoarder and a museum curator.
@charlesdahmital8095 9 жыл бұрын
zee339 The difference between a hoarder and a collector\curator is organizational skills.
@zee339 9 жыл бұрын
sounds right to me
@SirLadyMargarine 6 жыл бұрын
Admission fees
@Saanichian 4 жыл бұрын
If this item was accessible to the public, it would be nothing but a distant memory. Better to be kept by people who understand its significance.
@m.b.82 4 жыл бұрын
Not really. If you are hoarding Issac Newtons telescopes you are a museum curator. If you are curating a rusted out 97 camry in your fron yard you are a hoarder.
@greenfilly 9 жыл бұрын
I had no idea that this telescope was still in existence. Thank you for the video.
@louistournas120 7 жыл бұрын
Also search for Galileo's telescope.
@periodicvideos 10 жыл бұрын
Brady inside some somewhat bigger telescopes: bit.ly/telescopetours
@DaithiDublin 10 жыл бұрын
He was quite the fabricator as well as everything else. That's an impressive little telescope and a real treat to see it.
@NinjaOnANinja 10 жыл бұрын
4:53 "I'm not a metallurgist" is what he said but "This isn't my profession, but let me blow your mind anyway" is what I heard.
@alexblackburn627 4 жыл бұрын
That wizard is 237 years old, that’s not hair on his “head” it’s the strings to the universe.
@Pile_of_carbon 10 жыл бұрын
So to sum it up, Newton wasn't just impossibly clever, he was also quite handy with tools? Damn cool!
@alexanderalexandrov5160 9 жыл бұрын
I can understand him, since I live in a campus- living in a campus with the most basic of tools teaches you to be clever with tools.
@leonardmcdonald3928 4 жыл бұрын
As a chemical engineer, I can tell you that "sweet spot" is a technical term
@macgyveratlarge2133 4 жыл бұрын
Agreed. Not an engineer, but a guy who has to deal with their designs and find some way to repair, improve, or work around them.
@CARBON10 4 жыл бұрын
We know that
@macgyveratlarge2133 4 жыл бұрын
@@snarkylive I beg to differ. I have YET to see an engineer make something that doesn't require both a doctorate and a Faustian bargain to repair, when is supposed to be the thing that replaces a human. Anyway, they shouldn't even try, because without humans, there won't be an economy, or customers that need these technological nightmares.
@fremandn 4 жыл бұрын
MacGyver at large Yep, once novices learn about the goat sacrifices they finally get it
@fabiansw8 4 жыл бұрын
As a process operator I disagree. Maybe it's a scale thing
@newcoyote 10 жыл бұрын
I bet you could get $100 at Pawn Stars for that.
@akbarkhamidov750 5 жыл бұрын
dark legion c'mon I gotta make a living
@shelleyfoot23 4 жыл бұрын
$1
@the_original_Bilb_Ono 4 жыл бұрын
I'm gunna have my buddy Big G come take a look at it if that's ok. Big G - "it's probably fake, I'd say it's worth a 8 ball of coke"
@shelleyfoot23 4 жыл бұрын
$1
@AndrewSteffenHB 4 жыл бұрын
Best Comment Ever
@yolty7887 10 жыл бұрын
The white hair gives him amazing scientific knowledge.
@johnbiggins4864 4 жыл бұрын
It's a cosmic antenna
@perrygriffin2371 4 жыл бұрын
The style
@JollyTSwift 4 жыл бұрын
Wicked hair: +10 science.
@hockeymom49721 4 жыл бұрын
@Trip Gil in room filled with one? 😂😂😂
@hockeymom49721 4 жыл бұрын
Mad scientist hair
@thecassman 10 жыл бұрын
His tie is a truly awesome thing.
@666Tomato666 10 жыл бұрын
you mean his tie collection?
@justsittinhere72 4 жыл бұрын
In case he forgets an element.
@mr.robinson1982 4 жыл бұрын
Im totally impressed by his articulate speech so even a truck driver can understand him...
@HugDeeznueces 9 жыл бұрын
What an honor to hold such valued piece of history. Thank you Professor.
@BSKX17 10 жыл бұрын
Nice tie.
@CusterFlux 10 жыл бұрын
Most folks haven't a clue how incredibly significant that little telescope is - it must have been amazing to hold its actual mirror in your hand.
@fakjbf 10 жыл бұрын
Um, not what I thought it was going to be since a speculum is an instrument used in gynecology......
@dascorncakes1151 7 жыл бұрын
KEK
@richardsandwell2285 6 жыл бұрын
Maybe Speculum was an alloy used in early vaginal Speculums, a bit like people often refer to almost any vacuum cleaner being an hoover. Sometimes names tranfer..
@charlesleckow1651 6 жыл бұрын
KEK
@StephenGillie 6 жыл бұрын
Would they make speculums out of speculum? Namespace collisions are fun!
@richardsandwell2285 6 жыл бұрын
Lol, you probably clicked on the wrong channel, plenty more interesting items if you search that metal he he he. Judging by some of the comments on here, there is a lot of very prudish people. You can have many hours of fun in hotel rooms with tools named after this metal, some have just never lived lol... But I must admit to wanting to know which came first, the tool speculum or the metal speculum, it is interesting to know these useless facts of information.
@hoosherdaddy 10 жыл бұрын
It's really awesome PV shows off these pieces of history. Thank you guys and gals.
@chefdan87 4 жыл бұрын
The enthusiasm he has for each and every topic throughout these videos is intoxicating.
@aserta 10 жыл бұрын
Such a cool video. And to see the actual telescope, amazing. Thank you for this opportunity.
@DavidLandonCole 10 жыл бұрын
Is there any chance you could do a video making speculum, or even making a telescope like Newton's?
@hymanocohann2698 4 жыл бұрын
If Newton did it so could you, plans are available lol.
@crackedemerald4930 4 жыл бұрын
@@hymanocohann2698 arsenic tho...
@spudmckenzie4959 4 жыл бұрын
Wouldnt be that difficult, a balanced chemical formula, a bit of heat, some arsenic.....oh look the moon is so big. Seriously. You should be able to figure it out yourself
@DavidLandonCole 4 жыл бұрын
@@spudmckenzie4959 I can barely make a cup of tea without screwing something up. Me doing anything with arsenic is a recipe for diaster!
@MadScientist267 2 жыл бұрын
Glad this stuff gets preserved
@punishedexistence 10 жыл бұрын
The Prof always makes me smile. Such a kind, intelligent and humble man.
@chairshoe81 10 жыл бұрын
That is so amazing, so cool that you could share this with us
@LynneSkysong 10 жыл бұрын
Prof. Poliakoff! So nice to see you again. I'm going to (hopefully) get some more friends interested in Periodic Videos soon. I just picked up your shirt at DFTBA Records during their $10 sale.
@dand8530 5 жыл бұрын
I’m five years late to the video, but man what an amazing piece of history. Truly a priceless display.
@mackenlyparmelee5440 4 жыл бұрын
This has to be a very special experience to be able to handle and be around this artifact. So much science history!
@DavidLandonCole 10 жыл бұрын
This is amazing. I saw Galileo's telescope when it was at the National Gallery a few years ago and I'd love to see Newton's.
@roger4375 4 жыл бұрын
Really love the periodic table tie....
@jjbudinski8486 5 жыл бұрын
Amazing video, what a great, important piece of history on display here.
@osmiumbin 10 жыл бұрын
You MUST do a physics commentary on the telescope on one of your other channels, Brady! This is too cool to stop here :D
@periodicvideos 10 жыл бұрын
Have you seen our astronomy channel - kzfaq.info
@kael13 10 жыл бұрын
***** Instant-subscribed. Thanks!
@osmiumbin 10 жыл бұрын
***** yep, i think i'm subscribed to all your channels. But as i said, a physics point of view presentation of that priceless telescope would be awesome. Also a little history about it would be very welcomed! The part 0:57 - 1:08 is what i'm referring to :D
@fsmvda 10 жыл бұрын
I second this, the telescope is an incredible piece of history.
@Bhong666 10 жыл бұрын
***** ...and another instant-subscriber! Cheers!
@red152mm 10 жыл бұрын
Awesome video, Jim!!! Thanks for sharing!!!
@ezadviper 10 жыл бұрын
That amazing tie !!
@70stunes71 4 жыл бұрын
Absolutely astonishing and wonderful at the same time. Thankfully people care so much to protect, contain, and appreciate the antiquity, workmanship, and care that Sir Isaac Newton put into this telescope and indeed to all of his work. An absolute treasure to the world
@darrencottam1146 4 жыл бұрын
Love his periodic tie.
@slmeyers464 7 жыл бұрын
What an amazing thing. Thank you for sharing this with us.
@jebkfan9146 10 жыл бұрын
Great video!! Just a small remark, though: I double checked on the ESO site and the VLT primary mirrors are made of Zerodur, a glass ceramic, not in aluminium. They are just coated in aluminium. In fact, most of amateur telescopes are in also glass, with an aluminium coating.
@KizetteandTotoro 10 жыл бұрын
I love your ties, professor. Thank you for another interesting video.
@shandows15 10 жыл бұрын
That tie is awesome
@mastafudge8703 10 жыл бұрын
This is so cool! Go professor and Brady tooo!!!! Keep it up
@shoutitallloud 8 жыл бұрын
A fascinating person! I wish he is on Discovery or NatGeo, instead of boring car-bike shows nowdays..
@the_original_Bilb_Ono 4 жыл бұрын
Who?
@sparky30k 4 жыл бұрын
@@the_original_Bilb_Ono newton obviously.
@the_original_Bilb_Ono 4 жыл бұрын
@@sparky30k I didnt know Newton was such a car and motorcycle fan!
@sparky30k 4 жыл бұрын
@@the_original_Bilb_Ono well now you do.
@the_original_Bilb_Ono 4 жыл бұрын
@@sparky30k I think OP just doesn't understand how to construct a sentence. I was being a bit cheeky, and knew he meant car/bike shows are on those tv channels - not the person he's referring to is on the car/bike shows.
@joshharris3040 4 жыл бұрын
Small correction: Modern telescope mirrors (with a few notable exceptions, such as the JWST) are made with glass, and then coated with aluminum. I have heard of some hobbyists who have made solid aluminum mirrors, but the imperfections caused by having many different crystal grains in a metallic mirror affect the image quality. It still works, but it's not of the quality needed for modern research. An interesting alternative would be to use a bulk metallic glass/amorphous metal alloy. Or maybe one large single crystal of aluminum.
@ultim8aggie 10 жыл бұрын
I've enjoyed watching these videos for some time now and my son is at the age now that he is really interested in watching them with me. In fact, he would rather watch a video than play his video game. I'm so thankful that I've stumbled upon something that really grabs his attention and wonder rather than those games. So thank you and please, please keep making more!
@pdfunn7850 3 жыл бұрын
Really great to be able to see something like that....the power of the interweb
@pleasureincontempt3645 2 жыл бұрын
Truly a specialist. I love how he’s very reluctant to step into the realms of astronomy or even metallurgy for the sake of accuracy.
@zoinksxscooby 4 жыл бұрын
A very interesting first telescope. Awesome that it has been taken care of for this long.
@user-sm9qk5xj3i 10 жыл бұрын
Love your channels
@martineyles 9 жыл бұрын
Nice to hear about the telescope from a new perspective.
@alflurin 7 жыл бұрын
I love metals.... all the nuances from chemical structure to manufacture and from the mixing of different elements to achieve a hopefully desired objective to the various improving treatments that may be applied. I'm trying to use that passion to finish my mechanical engineering course.... hopefully :)
@mallekha 10 жыл бұрын
As a metallurgist, I love watching these videos, and this one is once again really excellent. We have the facilities to melt and cast these alloys (any alloy really) in our metal process lab, you can get in touch if you're interested!
@ChuckCanada1 10 жыл бұрын
One of your best videos yet. Amazing I did not even know that Newton's telescope even still existed.
@SchwarzeBananen 4 жыл бұрын
Great tie!
@ThePotaToh 10 жыл бұрын
Whoa the hand-drawn drawing....Newton could DRAW!
@EddieKMusic 10 жыл бұрын
Woow. Now thats amazing stuff. I would have loved to hear more about the telescope
@MrRobinhalligan 10 жыл бұрын
You can see the history radiating off that
@prometheus5311 7 жыл бұрын
Amazing artefact!
@JoeChiMinh 3 жыл бұрын
When I saw speculum in the title I was definitely expecting to see a different type of instrument
@reyjaime 5 жыл бұрын
Thanks for doing such a beautiful video. :)
@culwin 10 жыл бұрын
The professor gets into all these cool places
@dylandrees6460 10 жыл бұрын
That is amazing! Thanks for showing us.
@TheBauwssss 4 жыл бұрын
What a lovely video, thank you 😊
@TheZimon99 10 жыл бұрын
I love that tie!
@Trenegeut87 9 жыл бұрын
This guy is brilliant and genius! I like him so much! Wise historician, phisicist and chemist!
@monkeyboy4746 10 жыл бұрын
It looks like the two piece tube allows you to fine tune the focus point, if you cannot reach the focus point by moving the eyepiece in/out, you just make the telescope a little shorter/longer until you can, that method still works today.
@abcvideoyoutuization 10 жыл бұрын
Brady, you know the coolest people.
@TheHydrogen4 10 жыл бұрын
I always tough that thing was a lot bigger. Very nice video, lucky professor.
@S3v3n13tt3r5 10 жыл бұрын
More videos on alloys, thanks very interesting.
@TD_JR 2 жыл бұрын
Incredible this piece is still intact - one of the most important artifacts of treasure next to the Golden Skull of Rauhl.
@chriswalford4161 4 жыл бұрын
Please could you make some speculum as a lab demo video. In fact, could you make a series of metallurgy / alloying vids? They’d be extremely interesting.
@elgaen555 5 жыл бұрын
Seriously cool!
@PinkChucky15 10 жыл бұрын
Wow, that is amazing
@brucegoatly 6 жыл бұрын
Ha - I recognized the Royal Society Library immediately... What a treat to see Newton's actual telescope.
@nuggetwagon 10 жыл бұрын
as a master optician, this was the most interesting of the periodic videos.
@Nighthawke70 10 ай бұрын
Two other noteworthy reflectors were also made of this alloy. William Herschel's 1.2 meter "40 foot" telescope, and the Rosse six-foot telescope, which used a 1.83 meter reflector. Huge glass for the day. Both telescopes had TWO mirrors, so one could be polished, while the other would be put to use.
@nunyabiznez4408 5 жыл бұрын
gotta love this guy.
@xpndblhero5170 3 жыл бұрын
That's just so awesome.... I'd love to see that and the book in person, I'd probably even try to learn Italian just to read that. LoL
@geoffreymandzuk5708 4 жыл бұрын
...excellent as always...and wherever did you get that tie?
@davidlong3824 3 жыл бұрын
Love these videos there so interesting.
@cellogirl0096 10 жыл бұрын
Wow, that's so cool!
@robertthezaaaa 4 жыл бұрын
Excellent video.
@robertthezaaaa 4 жыл бұрын
I love the tie.
@SimulantSlumber 10 жыл бұрын
Interestingly Newton started working on reflecting telescopes because he was unable to remove chromatic aberrations from the edge of glass lens optics, he wrongly assumed it was impossible because he couldn't accomplish it (Newton was quite arrogant). It was later found possible through combinations of glass with different refractive indexes (crown & flint), that the aberrations could be removed.
@Bob3D2000 7 жыл бұрын
Wonderful!
@hintoflimetostitochip7978 4 жыл бұрын
Dude his tie is so cool.
@aubreyaub 4 жыл бұрын
Love the Tie.
@christopherphoenix7421 8 жыл бұрын
This is amazing! I didn't know we still have the original mirror Isaac Newton made. This is like a holy relic of the saint of all modern telescope makers. :-D In Albert G. Ingalls *Amateur Telescope Making (can't remember which volume), there is a chapter that deals with the making of speculum metal, so a few enterprising ATMs have experimented with the stuff. It is vastly inferior to aluminum coated glass, but an extremely important part of history.
@CxC2007 10 жыл бұрын
Newton wrote that book itself ? How does it feel to touch something like that ? wow..
@Vaasth 10 жыл бұрын
i need that tie so much
@jritter11623 10 жыл бұрын
That is one majestic fro O.O its so captivating
@phileasdg 10 жыл бұрын
nice tie
@alexandruionut9681 10 жыл бұрын
nice tie professor
@HomeyDuck 10 жыл бұрын
I am jealous. To be able to hold artifact, such as the telescope, is amazing!
@henriok 10 жыл бұрын
I was quite surprised to find that Newton's telescope was so tiny. Neither tin, nor copper was particularly expensive, and a larger telescope would probably be easier to make and would certainly be more effective. A mirror twice or three times as large wouldn't be so heavy it would be a problem. Why didn't he build it larger?
@Dirkage 10 жыл бұрын
that's so ballin'
@anitaotto 10 жыл бұрын
I like the tie!
@StevenBell1164 10 жыл бұрын
Will there ever be a chance of a biology/biomed/biochemistry channel? :)
@yaSso0oR14 10 жыл бұрын
Best tie ever
@boboften9952 4 жыл бұрын
Professor Thank You Sir .
@carpii 4 жыл бұрын
amazing item. Just imagine how many hours Newton spent, staring through that telescope, and then having lightbulb moments which have helped shape our physic of the universe even today
@zee339 9 жыл бұрын
if you take a human eyeball and hang it above the eyepiece, just like the drawing, a beam of light shines out of the telescope and shows you the powerball lottery numbers.
@theq4602 8 жыл бұрын
+zee339 My brain is derping out pls explain with more detail.
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