Sentences with word «caesium»

Using an interferometer, the team split a beam of caesium atoms into two.

In October 2004, the first quantum memory component was built from a string of caesium atoms.

Our car came in striking Caesium Blue — one of four launch colours — and as well as seeing it static in the studio, we also watched it do a few laps of a private courtyard.

But before diluting the spent fuel they will have to extract highly toxic radionuclides such as caesium from it using the same process that resulted in the explosion at Tomsk in Siberia earlier this year (This Week, 17 April).

Swiss and German researchers have analysed Burgundy truffles collected in central Europe and found they contain only negligible amounts of radioactive caesium, being safe for consumption.

The signal is so incredibly regular that the latest caesium clock recently brought online in the US will not lose or gain a second in about 300 million years.

A hidden partnership between two of the hottest topics in physics — quantum entanglement and chaos theory — may have been uncovered by a series of ingenious experiments with caesium atoms.

The structure has «windows» measuring 0.8 nanometres by 0.3 nanometres — just large enough for caesium ions to squeeze through.

Radioactive caesium isotopes are being removed from the water by an advanced liquid - processing system built after the accident, but a facility for removing strontium isotopes is not yet ready.

The second is currently defined by caesium atomic clocks, but optical clocks promise higher precision because their atoms oscillate at the frequencies of light rather than in the microwave band, so they can slice time into smaller intervals.

After 45 days, this group was reported as having improved immune function, and most notably «spirulina was particularly efficient at deactivating radioactive caesium from their bodies.»

Jessen's team searched for signs of chaos within a set of cooled caesium atoms, using them as the quantum equivalent of an everyday object that displays chaotic behaviour — a child's spinning top.

Research at the Institute of Grassland and Environmental Research in Aberystwyth has found that spreading certain minerals over contaminated land can fix caesium in the soil, preventing plants from taking it up.

The two clocks, one based on caesium atoms and the other on hydrogen, will communicate with a network of clocks back on Earth to compare performance across continents at a level that is equivalent to 10 trillionths of a second.

Opponents of the tests have warned that potentially harmful radioisotopes, especially caesium - 137, strontium - 90 and plutonium isotopes, will leach from rocks fractured by the blasts.

The standard clock uses caesium atoms, which emit microwaves precisely 9,192,631,770 times per second.

After the 1986 Chernobyl accident, the level of caesium contamination at which evacuation was mandatory was 1.48 MBq / m2.

And because hydrogen molecules consist of just a handful of particles, compared with the larger caesium atoms used in atomic clocks, it would be easier to do theoretical calculations and compare them with real experiments, the team says.

The C - X17 is painted in a lustrous Caesium Blue finish, with gloss black brightwork surrounding the windows, while the split five - spoke alloys are Dark Atlas graphite with gloss black finishers.

Japan's damaged nuclear plant in Fukushima has been emitting radioactive iodine and caesium at levels approaching those seen in the aftermath of the Chernobyl accident in 1986.

«When the fuel is damaged there is no reason for the volatile elements not to escape,» and the measured caesium and iodine are in the right ratios for the fuel used by the Fukushima Daiichi reactors.

Their experiment works by dropping caesium atoms above an aluminium sphere.

Others aren't so sure: the two highest caesium hotspots also carried 45 MBq / m2 and 57 MBq / m2, respectively, of iodine - 131, and others also had high levels of iodine - 131.

Because the fallout included caesium - 137, which takes 30 years to decay to half the original amount, farmers in «hotspots» may not be able to grow or sell their produce for many years.

«Essentially all the iodine or caesium inhaled or swallowed crosses into the blood,» says Keith Baverstock, former head of radiation protection for the World Health Organization's European office, who has studied Chernobyl's health effects.

Moreover the human body absorbs iodine and caesium readily.

A new generation of atomic tickers, known as optical clocks, have just wrested the record for accuracy from the ensembles of oscillating caesium atoms that held it for half a century.

Hills and uplands in Wales and northwestern England could soon turn from green to navy blue as scientists try to «lock up» radioactive caesium deposited by rain after the Chernobyl disaster.

Caesium concentrations in plants growing in areas treated with the potassium salt fell sharply, but the substance also acted as a fertiliser.

The advanced liquid processing system (ALPS) filters out caesium and 60 other isotopes.

Ruff, who was in Paris last week as part of a last - ditch attempt by members of International Physicians for the Prevention of Nuclear War to stop the tests, says that 60 underground tests have been carried out by the French since the 1983 scientific visit and that in 1987 scientists found caesium - 137 on Mururoa.

Timekeeping institutes around the world each have their own caesium clocks.

Here, we demonstrate a thermochromic solar cell for smart photovoltaic window applications utilizing the structural phase transitions in inorganic halide perovskite caesium lead iodide / bromide.

Storm dates were determined by matching key markers in the sediment samples with known events; rye pollen started to appear after Europeans colonized the region, for example, and exotic caesium isotopes settled in the pond following nuclear weapons tests.

The real eye - catcher, though, is the unique Caesium Blue paint, which pairs with the ever - so - British houndstooth - patterned leather seating and matching door inserts.

The first edition can be distinguished by the exclusive Caesium Blue and Halcyon Gold colour options (showcased on the C - X17 concept) and the optional Rhodium Silver and Ultimate Black, while power comes from a petrol and diesel V6 engine options producing 380 PS and 300 PS respectively.

That shape and the styling details call for bold colors like the magnificent Caesium Blue available only on the limited - edition 2017 F - Pace First Edition models, 275 of which are bound for the U.S.. We'll take ours in British Racing Green.

For starters, I'd pick Caesium Blue paint ($ 565) and the gloss black 20 - inch wheels ($ 1,020), and inside, I'd spec the black / red interior combo and carbon fiber trim ($ 810).

«The three day emissions from Fukushima of Iodine - 131 would be about 20 % of the total Chernobyl emissions, while those of Cesium - 137 would be between 20 and 60 % of the total Chernobyl emissions, depending whether one believes in the different Iodine to Caesium ratio measured in Japan.»

Uranium and other radioactive materials, such as caesium and technetium, have been found in tiny particles released from the damaged Fukushima Daiichi nuclear reactors.

The researchers discovered uranium from nuclear fuel embedded in or associated with caesium - rich micro particles that were emitted from the plant's reactors during the meltdowns.

This reveals average values of from 0.2 to 25 megabecquerels per square metre for iodine - 131, and 0.02 to 3.7 MBq / m2 for caesium - 137.

Late last month, a team at NIST headquarters in Gaithersburg, Maryland, reported cooling caesium atoms to 700 nanokelvin, or O. 7 millionth of a degree above absolute zero.

The 1986 Chernobyl nuclear disaster in Ukraine released substantial quantities of radioactive particles, especially caesium - 137 (137Cs).

The exterior paint finish is a lustrous Caesium Blue, and the window liners are gloss black, with the only brightwork on the vehicle being the badging at each end, lending the car a darker, sportier look.

To determine exactly when the neutrinos left CERN and arrived at Gran Sasso, the team hooked both detectors to caesium clocks, which can measure time to an accuracy of one second in about 30 million years.

The team at the ANU is now building a new version that will be able to analyse areas down to 10 thousandths of a millimetre across and will use ion beams of caesium as well as oxygen.