guillealv's channel

We're back with an updated element video - and it is the extremely expensive metal rhenium, often used in aircraft engines.

More chemistry at http...

Shaking grains and interesting physics.

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Phase II preparations are an important (but less exciting) part of using a world-class telescope.

VLT videos courtesy of ESO: http://www.eso.org/p...

The Orion Nebula is quite "piddly" - but it happens to be in our neck of the galaxy. In this video Meghan Gray (University of Nottingham), Paul Cro...

A short film Brady Haran made for BBC Inside Out (East Midlands) which broadcast on 27 February, 2012.

This is the full un-cut version.... The BBC...

Have you ever seen a cashew apple? They're delicious.

I messed up my latest video and decided to refilm some of it. This means random stuff I lea...

The Gran Telescopio Canarias, or GTC, or GRANTECAN, is the biggest telescope at the observatory on La Palma. Video journalist Brady Haran has a loo...

It's the most famous science equation in history... but E=mc² is not technically correct.

More physics at http://www.sixtysymbols.com/

Studying supernovae and the accelerating universe - and a bet over a bottle of whisky. It's our take on the 2011 Nobel Prize in Physics, won by Sau...

Kate Middleton's sapphire, diamond and white gold engagement ring is just an excuse for The Professor to talk about chemistry.

The ring was given ...

The Professor shows us his first periodic table. We'd love to see your periodic tables. Email pics to periodicvideos@gmail.com

Higher res photo of...

We take a look at mysterious dark matter - and a chocolate pie. More videos at http://www.sixtysymbols.com/

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You went from breathing liquid to air at birth. Why did you not die? Answer? Your he...

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I waited a couple of years for someone t...

It's leap year time... so what are years, anyway? And what do they have to do with the supermassive black hole in the core of the milky way?

Mr. G...

How does a laser really work? It's Bose - Einstein statistics! (photons are bosons)

Check out Smarter Every Day's video showing lasers in real lif...

Brian Cox ruffled a few feathers with a TV lecture which touched upon the Pauli Exclusion Principle. Two of our Sixty Symbols regulars - Ed Copelan...

Sixty Symbols regular Professor Phil Moriarty discusses transparent glass and the so-called energy gap.

PS MESSAGE FROM PROF MORIARTY: "I misspoke...

We're watching the star Wasp-33 as a giant, fast-moving planet moves across its stellar disc. The extrasolar transit is being recorded by Liam Hard...

http://froknowsphoto.com/ni... ‎

Nikon has finally announced the long awaited D800 FULL FRAME CAMERA. This thing is a monster for i...

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Have you ever thought about lightning and Thunder? If not, you should start! You can do science in your own...

I would appreciate it if you share this by clicking here: http://on.fb.me/ChopperPhysics . Trust me, there's more to Chopper Physics than you thin...

The recipe is changed for Coke and Pepsi (in the US). It is because of the chemical 4-methylimidazole, which would require the companies to put a c...

We're discussing two bits of research here - Meghan is discussing the an epic halo of hydrogen and Mike is explaining an apparent lack of dark matt...

http://froknowsphoto.com/songs Click Here to download the FroKnowsPhoto Dance Mix.

WARNING WARNING before watching this video make sure you are re...

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Here is a Preview of the Nikon D4 that I made after getting a chance to spend some time with this camer...

Behind the scenes at the Isaac Newton Telescope, on La Palma, Canary Islands. Filmed and narrated by Brady Haran. With thanks to Rafael Barrena who...

Since the introduction of the Fujifilm X100, people have been asking how it compares to the Leica M9 - is the Fuji camera really a "poor man's Leic...

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High speed photography isn't quite as difficult as one might think. It may be accomplished simply with a fl...

The Crab Nebula - M1 in the Messier Catalogue - is a supernova remnant with an important pulsar at its centre. Here we look at it through Nik Szyma...

Hab ich geschenkt bekommen :D

Full review is here: http://www.stevehuffphoto.c...

My Leica Mp arrives so I bring it ...

M66 is a deformed spiral galaxy - what's going on with that? Also known as NGC 3627.

Featuring Professor Mike Merrifield from the University of No...

Réplica de Rosa Díez, Portavoz del Grupo Parlamentario de UPyD a Mariano Rajoy en el Debate de Investidura

For more videos and games check out our new website at http://www.sesamestreet.org

In this video, Bert gets his nephew ready for a bath.

Sesame...

A video explaining why you ought to have a 50mm lens in your arsenal.

Filmwasters review of the FP-1

http://filmwasters.com/foru...

Mijonju Show of the FP-1

http://www.youtube.com/watc......

Beautiful back ground music by Sounds of Seventy Three

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LOMOKINO by LOMOGRAPHY

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To view species - http://www.edgeofexistence....

We've finally got our hands on the latest Sony DSLR! This innovative DSLR with a translucent mirror is semi-pro body. It promises to be a competito...

4:36 http://amzn.to/pWp7MR

The Nikon F6 Complaint

ISO600 Festival della Fotografia Istantanea

Dal 6 al 9 Ottobre 2011

Milano - Spazio Concept, Vi...

We told you guys that the venerable Canon 24-70mm f/2.8 was great. But of course everyone wants a good comparison, so here's a big bonus in the way...

Kai takes out this new Canon L lens on an open top tour bus to test out the fisheye lens. How does the 8-15mm f/4 L perform?

Pricing Reference:

ht...

Terry Richardson's Tumblr (yes I am a follower!)

http://www.terrysdiary.com/

Terry Richardson's website

http://www.terryrichardson....

Terry Ric...

Camera Specs:

Lens: 114mm f/3.8 Tominon (same design as found on the NPC 195)

Shutter: Copal leaf shutter, 1 - 1/500

B and T Able

Dual-window vi...

The Leica M has been around for over 50 years, since its introduction in 1954 with the M3, but the formula has stayed pretty much the same. With mu...