Liz Bonnin - Beryllium and the James Webb Space Telescope

No video

Liz Bonnin - Beryllium and the James Webb Space Telescope

Рет қаралды 22,849

Күн бұрын

TV Presenter Liz Bonnin looks to the stars for her pick from the Periodic Table. The properties of Beryllium make it the perfect material for the huge mirror being used in the James Webb Space Telescope - NASA's successor to the Huble telescope launching in 2018.
Each day in December, we'll publish a new video revealing the elements that really excite and inspire people.
The Ri is on Twitter: / ri_science
and Facebook: / royalinstitution
and Tumblr: / ri-science
Our editorial policy: www.rigb.org/ho...
Subscribe for the latest science videos: bit.ly/RiNewsle...

Пікірлер: 47

@hicm1of12 8 жыл бұрын

Liz makes science stimulating; exciting, and enchanting in any way you can imagine!😉

@0141amit 2 жыл бұрын

And today secondary mirror is unfolding 👏👏👏

@thinkbolt 4 жыл бұрын

"When it's launched in 2018!" HAH!

@sebafst 8 жыл бұрын

Liz... you are so beauti and inteligent, you are Perfect!

@NOLAMarathon2010 10 жыл бұрын

I'm glad there's SOMETHING that can look back to the beginning of the universe. I lost of pair of sunglasses back there that I really miss. They were, like, my favorite pair.

@zapfanzapfan 8 жыл бұрын

My favorite element is something else that starts with a "b", Bonnin :-) I do hope that telescope works, we don´t have the capability to go fix it if something snags the sun shield...

@worcesterexchange554 8 жыл бұрын

Berylliant!

@fessellsahmed2587 4 жыл бұрын

Unique presenter

@T2Exile 11 жыл бұрын

This is awesome! This vid got me so pumped

@leopoldfoto 11 жыл бұрын

charming lady, nice video

@Tazirai 11 жыл бұрын

Love it.!

@Alessandro-B 11 жыл бұрын

Yes, to operate at its best it will be sent to a libration point much further than the moon. A Libration point (or Lagrange point) is a place where the gravity between earth n moon or earth n sun, is balanced and there are 5 of these points/areas. They are usually described as L1, L2 etc. The Webb telescope will be positioned in the L2 point for the earth/sun system, which is at about 1.5 million km from earth, but will get there in a elliptic orbit which is much longer than 1,5 mll km.

@amaseaman 11 жыл бұрын

Realy nice piece of work! Its shaped like honeytomb still the bees usualy build that oriented on its vertex.

@robertgardner7470 4 жыл бұрын

How they can saw and machine that hard, dangerous, and strong material, I do not know.

@remenraj 11 жыл бұрын

Beryllium Rocks !!

@Some0ne001 2 жыл бұрын

Her English is excellent for a Native French having lived in France I dont think ive heard a French person speak so well. Granted she has an English accent and im American.

@TonyFisherPuzzles 2 жыл бұрын

Her accent is Irish, not English.

@Srinjoymusiclover 11 жыл бұрын

Now i dont know which i love more , Beryllium or Liz Bonnin :P

@TheAAMoy 11 жыл бұрын

webb to the stars, NOW

@twiggy120 11 жыл бұрын

Which element tastes the nicest, the most pleasant to eat/drink/breathe in?

@robertgardner7470 4 жыл бұрын

Be & it's compounds have sweet taste. The only solid element that is safe to eat/drink is bismuth.

@chrisharrison763 11 жыл бұрын

1.5 million km. At the L2 Lagrangian point.

@robertgardner7470 4 жыл бұрын

Can't understand metric.

@zapfanzapfan 3 жыл бұрын

Well, 2018 came and went...

@robertgardner7470 4 жыл бұрын

The optical grade of Be is the only grade that is machinable. Beryllium is stronger and harder than steel and it is nearly impossible to machine the sf200 grade.

@stevenvh17 11 жыл бұрын

If it would be father from the sun than earth it should go slower than earth around the sun. But at the L2 Lagrangian point (at 1.5 million km) gravity from earth and the sun add up so that a higher speed is required to avoid falling towards the sun. At L2 the speed is such that the satellite will keep in step with earth.

@7Earthsky 9 жыл бұрын

JWST looks very complicated in the way it has to unfurl. I hope very much things run smoothly once it's in space.

@DanielWesleyKCK 2 жыл бұрын

Good news, it did.

@Majoofi 11 жыл бұрын

how do they assure that when the mirror folds into place that they are perfectly lined up?

@robertgardner7470 4 жыл бұрын

Alignment holes.

@leanin2it 2 жыл бұрын

each mirror segment is resting on its own set of actuators that calibrate the alignment of each segment independently

@WilbertKiemeneij 11 жыл бұрын

I've never tasted pure radium, so I wouldn't know. But I'd be amazed if it tasted nice by itself, because I don't think it's evolutionarily advantageous enough to develop a taste for it.

@robertgardner7470 4 жыл бұрын

You can safely taste Be. It and Be O2 have a sweet taste.

@WilbertKiemeneij 11 жыл бұрын

The halogens (such as iodine and chlorine) are particularly smelly, but I don't think most people would classify that smell as nice. We haven't evolved a need for detecting and eating individual elements, so I'd be amazed if any of them actually tastes nice to us. That being said, I think the most pleasant element to take in would be oxygen, as it gets you high. The most funny would be argon, I think, as it lowers the tone of your voice.

@leanin2it 2 жыл бұрын

oxygen definitely does not have the capacity to get one high. I do like the argon suggestion though haha

@chrisharrison763 11 жыл бұрын

Sorry that is specifically the Sun-Earth L2 point.