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2:12
BY STEVEN SPARKMAN Anchor: Megan Murphy You're watching multisource science news analysis from Newsy Is any tool associated with science quite like the microscope? Well the old standard just got better - Now researchers have built a microscope that uses beams like those found in barcode scanners to watch single cells in real time. InventorSpot explains why this is a big deal. “The big trick is in the light. The sweep of the Bessel beam creates a very thin light sheet, which is minimally invasive. With existing microscopy technology, it has been possible to observe tiny things in 3D, but not for long -- because the intense light required kills, or severely damages, whatever it is you're observing.” The new illumination tricks let the researchers record cells doing their thing in high-resolution. It lets researchers study the goings-on of cell structures in a way they never could before. The researchers compared it to learning the rules of a sport. Watching the players in a film teaches you the rules quicker than studying snapshots. Likewise, watching chromosomes divide in real time lets researchers learn about the process in much more detail. (Video source: HHMI) Getting the images clear was tricky. Bessel beams create a lot of noise in the image, lowering the resolution. To get around this, lead researcher Eric Betzig had to pull in every microscopy trick he could find. “The first is a concept called structured illumination, where instead of sweeping the beam continuously, they turned it on and off rapidly, like firing a machine gun. ... Another strategy Betzig's group used is two-photon microscopy, a method commonly used in neuroscience to visualize thick pieces of brain tissue.” (HHMI) Betzig has been creating new microscopes for decades, and he’s not done yet. PopSci reports he’s already looking forward to his next innovation. “The next step could be combining the Bessel beam plane technique with super-resolution techniques, Betzig said. That would be something — with no limits on how small we can see, and an imaging technique that take movies without harming organisms, the possibilities seem endless.” One of those possibilities: watching the delicate structures on the famous HeLa cell - a cancer cell taken from a woman in 1951 kept alive today -- in a way never possible before. (Video source: HHMI) Give us your take on the tiniest film camera in history in our comments section. 'Like' Newsy on Facebook for updates in your news feed Get more multisource video news analysis from Newsy Transcript by Newsy
8 Mar 2011
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3:35
This is the dance for a Sinhalese folk song that depicts the story of Ravan Mandodari. The dance was presented at Yakdessawa, a remote village of Sri Lanka, on international indegenious day.
6 Jan 2008
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4:20
The song written on the beauty of Telme Dance, the most attractive and prominent low country dancing Item of Sri Lanka. The Telme dance depicts the motion & the angle of earth which rotating around the Sun.
6 Jan 2008
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0:42
This is one of the most valuable historical place in Sri Lanka, which has been ignored by our archaeologists.
6 Jan 2008
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2:55
Pattini Dance by Sinhalese School Girls.
6 Jan 2008
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3:53
Personnelle.
24 Aug 2008
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0:30
"Three " Forthcoming musical show of Lional Ranwala folk art foundation will be held on 22nd January 2011 at Tower Hall Maradana.
13 Jan 2011
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1:32
“Herra Heinämäki ja Leijonatuuliviiri” on jännittävä ja hauska kokoperheen elokuva. Suomen sodan aikana maantierosvo Jeppe Antinpoika ryöstää Ruotsin kuninkaan aarteen. Pussi jalokiviä jää talon pankon taakse piiloonsa odottamaan kahdeksisadaksi vuodeksi. Kaupunkilaistyttö Aurora, jota myös Arskaksi kutsutaan, saapuu sukuloimaan maalaisoriginelli herra Heinämäen luo. Herra Heinämäen naapurilla, leipuri Kakelbergilla menee huonosti, sillä leipurin talossa on alkanut kummitella ja leipomisbisneksiä on sabotoitu. Eräänä iltana Arska yhyttää salaperäisen hiipparin leipurin talon kellarista. Arska alkaa Herra Heinämäen kanssa ratkaista leipurin talon arvoitusta.
23 Dec 2011
396
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2:12
Baby Bang äger totalt hela scenen i semifinalen av Talang 2007.. han är bara 11 // Baby Bang ownz the entire stage in the semifinals of Talang 2007 (Swedish talentshow) He's only 11 years old
12 May 2007
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0:19
det var första gång som var så glädje sedan fyra år ...vill skicka den här film till alla Irakier i hela världen ... vi är En för evig spela inga roll vad ska händer i våra landet
30 Jul 2007
908
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0:15
Hos www.25kr-gratis-hos-betsson.tk/ får du en vocuherkod som helt gratis ger dig 25 kr att spela för hos betsson. Nya vouckerkoder hos betsson kommer hela tiden. Hos www.gratisspelpengar.blogspot**** finns mängder med andra spelpengar att hämta helt gratis.
4 Oct 2008
381
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3:34
hela derana jaya jayathu jayamangalanii
6 Jun 2009
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