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169 results found

Under fog and autumn light

Due to its proximity to the Durance River and to the narrow gully spanned by the Bridge of Mirabeau, the area around ��app often experiences a peculiar meteorological phenomenon: whereas the rest of the countryside basks...

Another massive paint job

By the end of December, the massive painting job in the Assembly Hall will be complete and the building's floor will be as white and pristine as the landscape in a Christmas postcard. The ongoing operation, which...

Follow the laser projections

How do you position 150,000 welded attachments on to a vacuum vessel the size of a house, each one needing to be accurately placed to less than a 4 mm target?

Testing a neutral beam for diagnostics

Every 23 seconds during fusion operation, a probe beam will penetrate deep into the core of the ��app plasma to aid in the detection of helium ash—one of fusion's products and a reliable indicator of reaction efficiency...

Our neighbour the Nobel

In 2018, the Nobel Prize in Physics was awarded to Gérard Mourou for his work on ultra-short, extremely high-intensity laser pulses—the so-called "chirped pulse amplification" (CPA).

A colossus at the centre of the Tokamak pit

An imposing tool will rise next year in the centre of the Tokamak pit, formed from a trunk-like central column and nine radial beams. During in-pit assembly operations, it will support, align, and stabilize the vacuum...

Some like it cold

In the ��app Tokamak, several components need to be cooled to extremely low temperatures. Cold, sometimes as intense as in the most frigid places in the Universe, is essential to the superconducting magnets and the...

Preparing for the assembly phase

In the spring of 2020, as the first machine components are lowered by overhead crane into the assembly pit, a new chapter will open in the history of ��app construction.

Managing risk in a first-of-a-kind project

The classic approach to project management is to group risks into three separate categories. The first consists of known risks, the second of unknown risks, and the third of unknowable risks, often referred to as the...

Projecting into the coming decades

Steven Cowley, who now heads the Princeton Plasma Physics Laboratory (PPPL), gave a seminar last week at CEA-Cadarache and he had some good news regarding the spherical tokamak NSTX.

What vacuum does to marshmallows

Every year in France, science is "à la fête" for two consecutive weekends in October. Free events and demonstrations—tailored particularly to school-age children—offer a fun and friendly way to discover projects like...

11th ��app International School announced

_Img1_The 11th ��app International School will be held from 20 to 24 July 2020, hosted by Aix-Marseille University in Aix-en-Provence, France.

An anniversary in blue, white and red

��app neighbour and close partner in fusion research, the CEA-Cadarache nuclear research centre, was established in October 1959. This week, it celebrated the 60th anniversary of its creation.

China honours ��app Director-General

Last week, ��app Director-General Bernard Bigot was one of 100 foreign experts from 31 countries to be awarded the Chinese Government Friendship Award.

First tests with JET's shattered pellet injector

A shattered pellet injector—a device which pre-empts plasma disruptions by releasing a spray of frozen deuterium-neon pellets into a plasma—is now in testing on the world's largest operating tokamak, JET, at the Culham...

12 pillars and counting

Two rows of pillars have now appeared at the top of the ��app Tokamak Building—12 out of 20 base pillars that will soon be topped by a second level of pillars, and finally the roof structure.

Qualification program concludes in Europe

Directly facing the heat and high-energy neutrons produced during fusion is the first wall of the ��app blanket—440 beryllium-coated, detachable panels that will be installed on the inboard and outboard surfaces of the...

Researchers come out at midnight

Once a year, after night has fallen, 22,000 researchers from 28 European countries quit their laboratories to showcase the diversity of science and highlight the impact of research on our daily lives.

Chinese staff celebrates Republic's anniversary

��app's healthy reliance on open source

Open source is still not appropriate in all cases