When light travelling through the core deviates from its course and hits the cladding, the boundary between the two acts as a mirror, and the errant light is reflected back into the core.
The band have come a long way since they first played the festival six years ago - slotted in between acts in the comedy tent.
Such balancing acts between the need for quick cash injections and possible long-term disadvantages of private finance deals will be played out across the country.
Actors who could also do contortions or play an instrument (thus the expression, "doubling in brass") were especially employable because they could supply entertainment between acts or after the show.
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Kevin Jones: SOCAP was formed with a single goal: to show that the space between giving and investing, the market that acts with the heart of a giver and the rigorous discipline of an investor, is real.
The role of the ombudsman varies from media to media, but generally an ombudsman acts as a mediator between the personnel of a media house and its users, fostering a dialogue between these two parties.
The model is one of partnership between advertiser and influencer, and Pinbooster acts as the liason.
The opera is in three acts and is loosely based on the historic conflict between Bajazet, a Turkish sultan, and the Tartar conqueror Timur, or Tamerlano, who ruled much of western and central Asia in the 14th century.
It also acts as a liaison between the Malaysian National Commission for UNESCO (NATCOM) and UNESCO.
Fasotec acts as an intermediary between the hospitals and printers.
Earn My Keep helps her differentiate between acts we do as members of a household (making the bed, setting the table) and acts we do to earn a living.
The nonprofit acts as a conduit between Afghan weavers in remote villages and U.S. rug buyers.
That means that the trusts, created so that elected officials could avoid conflicts of interest between their financial holdings and their official acts, will now be in plain sight for the public and the candidates to see.
Boulevard Saint-Laurent acts as an unofficial buffer zone between the two linguistic communities where both languages are readily spoken.
The site acts as a go-between, setting some basic ground rules and handling matters like processing payments.
The company acts as an online intermediary between fans who want to buy and sell tickets and takes a 25% commission on ticket sales.
That office, technically part of the Pakistani Embassy, acts as the formal representative of the Iranian government in the absence of diplomatic relations between Washington and Tehran, which were severed after the hostage crisis in 1979.
CNN: Iranian-Americans 'hungry' for updates amid tumult in Iran
Judges Louis Walsh, Cheryl Cole and Simon Cowell all voted to oust Evans, sparing Dannii Minogue, the mentor of both acts, from choosing between them.
Sometimes described as a 2.5G technology because it acts as a bridge between mobile telephony and the full-fledged mobile Internet, the service has spawned a whole new style of phone usage, particularly among Japan's youth (see accompanying story).
Cameroon's sentences for homosexual acts vary between six months to five years, the rights group said, citing justice ministry records.
More than 2, 400 acts of piracy were reported around the world between 2000 and 2006, roughly twice the number reported for the preceding six-year period.
Besides the anti-terror proposals, ministers were to discuss increased cooperation between national anti-terror units and legislation to make acts committed outside the EU punishable inside the bloc.
This in itself puts pressure on the eyes, but exposure to between two and three hours of daylight acts as a counterbalance and helps maintain healthy eyes.
We characterize the modern cities sometimes as a place of alienation and anomie and the faceless lonely crowd and so on, but when an emergency like this happens and people are pushed against the extremes, you see extraordinary acts of solidarity and kindness between strangers.
Public support for clean tech in the U.S. dropped nearly 50 percent from 2011 to 2012, and will likely plunge 75 percent between 2009 and 2014 unless Congress acts, according to analysts at WRI, the Breakthrough Institute, and the Brookings Institution.
Post-tax prices should be set at a level that would strike a balance between damping down use on the one hand, and discouraging a black market and the desperate acts of theft and prostitution to which addicts now resort to feed their habits.
Working with 400 school children aged between nine and 11, the team assigned whole classrooms either to perform and note down three kind acts per week or - as a control group - to keep a diary of three locations they visited each week.
Judge PD Kode told him that his acts had "disgraced the Muslim religion" and only served to increase communal tension between Muslims and Hindus.
But the EU Commission, which acts as antitrust watchdog in the European Union, said Microsoft had not fulfilled its pledge between February last year and July this year, confirming a Reuters report earlier on Wednesday.
FORBES: A Reasonable Guide To The Likely Failure Of Microsoft's Surface
Ayers's father, BBC producer Rowan Ayers, created the BBC Two music programme The Old Grey Whistle Test, which gave a host of underground acts TV exposure while it aired between 1971 - 1987.
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