Since such life utilised strong nuclear forces instead of electromagnetic interactions, it was posited that life might function millions of times faster than typical on Earth.

Since the nuclear pores are located in an area of high traffic, they play an important role in the physiology of cells.

Since 2002, the new Afghan government has engaged in cordial relations with both Iran and the United States, even as relations between Iran and the United States have grown strained due to American objections to Iran's nuclear program.

Since it can absorb nuclear fission-bred neutrons, it is also used in nuclear control rods.

Since the election of George W. Bush as the President of the United States, North Korea has faced renewed external pressure over its nuclear program, reducing the prospect of international economic assistance.

Since the late 1980s, North Korea's nuclear program has become a pressing issue in international affairs.

Since then, a very similar agreement was reached on February 13, 2007, that includes normalizing US-North Korean and Japanese-North Korean diplomatic ties on the condition that North Korea freeze its Yongbyon nuclear facility.

Since nuclear chain reactions only require natural materials ( such as water and uranium ), it is possible to have these chain reactions occur where there is the right combination of materials within the Earth's crust.

Since the probability per distance traveled for a neutron to collide with a nucleus is proportional to the material density, increasing the density of a fissile material can increase k. This concept is utilized in the implosion method for nuclear weapons.

Since 1960, the U. S. and Japan have maintained an agreement that allows the U. S. to secretly bring nuclear weapons into Japanese ports, and there is speculation ( see below ) that some nuclear weapons may be located in Okinawa.

Since the Soviets claimed to have first detected the new element they suggested the name kurchatovium, Ku, in honor of Igor Kurchatov ( 1903 – 1960 ), former head of Soviet nuclear research.

Since a nuclear explosion was used as the power source, the detector was destroyed during the experiment and the results therefore could not be confirmed.

Since its inception in 1948, the U. S. Navy nuclear program has developed 27 different plant designs, installed them in 210 nuclear powered ships, taken 500 reactor cores into operation, and accumulated over 5, 400 reactor years of operation and 128, 000, 000 miles safely steamed.

Since man-made sources accounted for only 18 % of the total radiation exposure, most of which came from natural sources ( 82 %), medical X-rays only accounted for 10 % of total American radiation exposure ; medical procedures as a whole ( including nuclear medicine ) accounted for 14 % of total radiation exposure.

* Since 2005, Iran's nuclear program has become the subject of contention with the Western world due to suspicions that Iran could divert the civilian nuclear technology to a weapons program.

Since then, concern over nuclear weapons has shifted to the prevention of localized nuclear conflicts resulting from nuclear proliferation, and the threat of nuclear terrorism.

Since uranium and plutonium are nuclear weapons materials, there have been proliferation concerns.

Since the U-235 content of nuclear reactor fuel is reduced by fission, uranium recovered by nuclear reprocessing from spent nuclear reactor fuel made from natural uranium will have a lower-than-natural U-235 concentration.

Since time was passing and the Mantinean alliance showed no signs of capsizing, Epaminondas decided that he would have to break the stalemate.

Since he was fatigued from wounds and channeling, and both halves of the One Power are behaving erratically in the area following the use of the Bowl of the Winds, as well as an inherent instability in Callandor, Rand loses control while wielding Callandor, causing much destruction to both armies and forcing a stalemate.

Since May 4, his Overland Campaign had consisted of major battles against Robert E. Lee, each of which ( the Wilderness, Spotsylvania Court House, North Anna, Totopotomoy Creek, and Cold Harbor ) was followed by a period of stalemate and then a maneuver around Lee's right flank in an attempt to draw him away from his entrenchments and into the open.

Since the concept of high fidelity became important some dozen years ago, the claims of technical improvements have multiplied tenfold.

Since the magnitude of the plan made secrecy impossible, once the wheels had began to turn, persons controlling German industries, social institutions, and armed forces became, through their anti-Semitism or their tolerance of it, conscious accomplices of Hitler's crimes ; ;

Since the minting of coins was a prerogative accorded in Islamic practice only to a sovereign, it can be considered that Osmanli became independent of the Mongol Khans.

Since 1954 when an organ instrumental of " New Britain " became a bestseller, " Amazing Grace " has been associated with funerals and memorial services.

Since Sancho was not a popular king, the order was not hard to enforce ; he was exiled to Castile and Afonso III became king in 1248 after his brother's death.

Since she was Raymond's only child, they became rulers of Toulouse at Raymond's death in 1247.

Since that time, as computers and software became more advanced, digital signal processing has become the method of choice.

Since the Earth could be expected to have roughly the same cratering rate as the Moon, it became clear that the Earth had suffered far more impacts than could be seen by counting evident craters.

Since his medium for bringing change was print and debate, it was natural for the origins of the Christadelphian body to be associated with journals and books, namely the Herald of the Kingdom and The Ambassador ( which later became The Christadelphian ).

Since 2000, with a struggling Gateway was taken over by eMachines, this left only Dell as Compaq's major competitor, however Dell became the number one supplier of PCs in 2001.

Since there was no longer the countervailing power of the papacy and since the Church of England was a creature of the state and had become subservient to it, this meant that there was nothing to regulate the powers of the king, and he became an absolute power.

Since end 2009, the Navy's structure became simplified.

Since 1998 and the Eritrean-Ethiopian War, the relationship became increasingly hostile.

Since that law was repealed in the aftermath of World War II, the present Emperor Akihito became the first crown prince for over a thousand years to have an empress outside the previously eligible circle.

Since seeing the original Japanese-language versions of Godzilla movies was very hard to come by from a Western standpoint during this time period, it became easily believable.

Since the 1997 handover Hong Kong's economic future became far more exposed to the challenges of economic globalisation competition directly from mainland China.

Since cast iron was becoming cheaper and more plentiful, it also became a major structural material following the building of the innovative Iron Bridge in 1778 by Abraham Darby III.

Since the presidency of Thomas Jefferson, America's policy had been to allow Native Americans to remain east of the Mississippi as long as they became assimilated or " civilized ".

Since his offices were close to the Chancellery, he was a frequent guest for lunch, during which he became adept at listening to Hitler ’ s monologues and agreeing with his opinions.

Since the robbers operated across state lines, their crimes became federal offenses, giving Hoover and his men the authority to pursue them.

Since Poland was regarded as the East European state with the most powerful army, it became imperative to tie Poland to Britain as the best way of ensuring Polish support for Romania, since it was the obvious quid pro quo that Britain would have to do something for Polish security if the Poles were to be induced to do something for Romanian security.

Since the rights holders in Japan by this time had created a unified ( although still evolving ) list of romanized character and mecha names, Schodt was able to use it, and Amuro's rival in the novel thus became " Char " and not " Sha "; the popular Zeon Mobile Suit, similarly, became " Zaku ," and not " Zak ".

Since the roads to the airport had not been cleared, the carriers became stuck in traffic and finally arrived around midnight.

Since the islands are located in the center of the East China Sea relatively close to Japan, China and South-East Asia, the Ryūkyū Kingdom became a prosperous trading nation.