Reactors
in sentence
170 examples of Reactors in a sentence
So the thing that's been a problem from those
reactors
is actually what gets fed into ours, and you're reducing the volume of the waste quite dramatically as you're going through this process.
This funky little thing: people didn't used to think that it was worth taking samples out of nuclear
reactors
because it was dangerous and, of course, nothing lived there.
I think of most interest to a TED audience would be the new generation of
reactors
that are very small, down around 10 to 125 megawatts.
Babcock & Wilcox that make nuclear reactors, here's an integral fast reactor.
And the fact is, we're going to use the nuclear waste we have for fuel in the fourth generation of
reactors
that are coming along.
And especially the small
reactors
need to go forward.
Chernobyl was a tragic event, caused by human error, and a very poor design (The
reactors
had no containment buildings, just 1 major example!).
At the Fukushima site, the backup power supply, essential for maintaining vital safety functions such as cooling the
reactors
and spent fuel rods, was not properly protected.
At Fukushima, the
reactors
withstood a magnitude 9.0 earthquake – far more powerful than they were designed to tolerate.
The International Atomic Energy Agency expects at least 90 additional nuclear-power
reactors
to join the 437 now in operation globally by 2030.
New
reactors
being built today incorporate significantly enhanced safety features, both active and passive, compared to the Fukushima generation of
reactors.
For example, Russia has already offered to build two new, non-military nuclear
reactors
in Iran.
As a result, the plant’s three active
reactors
suffered near-meltdowns, leading to a buildup of hydrogen gas, a series of explosions and fires, and leakage of radioactive material into the atmosphere.
First, Iran must halt all enrichment of uranium to 20% purity (a level required for research reactors, but only a short step away, in practical terms, from weapons-grade uranium).
In fact, China treats Pakistan as something of a guinea pig, selling the country weapons systems not deployed by the Chinese military and outdated or untested nuclear
reactors.
Pakistan is currently building two AC-1000
reactors
– based on a model that China has adapted from French designs, but has yet to build at home – near the southern port city of Karachi.
External powers can, for example, launch a targeted attack, like the one that Israel carried out on suspected
reactors
under construction in Iraq and Syria.
The reactor designs available today are nothing like the Chernobyl
reactors.
In some countries, we still see a troubling combination of old
reactors
and weak regulators.
For the Bush administration, the Geneva Agreed Framework, signed in 1994 by North Korea and the US with the aim of freezing the North’s nuclear activity and gradually decommissioning its graphite-moderated reactors, was an act of appeasement by the “naive” administration of President Bill Clinton.
The damaged
reactors
and spent-fuel ponds contain around ten times as much nuclear fuel as did the Chernobyl reactor that exploded in 1986.
In three reactors, the fuel has melted, almost certainly through the reactor vessels; primary containment structures have been breached; explosions have torn away the secondary containment (the buildings); radioactive releases continue; and closed-loop cooling has not been re-established.
The spent fuel in pools adjacent to each reactor, containing more radioactivity than the
reactors
themselves, has also been severely damaged, has leaked radioactivity, and is still without needed stable cooling.
The nuclear reactions that drive
reactors
and weapons are the same, as are the radioactive products that are dispersed by wind, rain, and water if released, with the same lack of respect for borders and the same indiscriminate long-term cancer and genetic hazards.
At Fukushima, a perfect storm – a massive earthquake and tsunami, multiple vulnerable coastal
reactors
with spent-fuel ponds in the same buildings, inadequate barriers, loss of power, and back-up generators situated too low – may have seemed a remote possibility.
Problems had occurred at similar
reactors
before.
No nuclear
reactors
are designed to withstand an earthquake of magnitude 8.0.
Moreover, no nuclear
reactors
are built to withstand an attack like that of September 11, 2001 – which was also unforeseen.
Each of the world’s 437 nuclear power
reactors
and associated spent-fuel ponds are effectively enormous pre-positioned radiological weapons, or “dirty bombs.”
Such outcomes are at least as plausible or likely – if not more so – than a massive earthquake and tsunami causing widespread damage to four Japanese nuclear
reactors
and their adjacent spent-fuel ponds.
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