Science Illustrated

FROM VISION TO REALITY IN 100 YEARS

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1924 EINSTEIN PREDICTS QUANTUM WAVE

Physicists S. Bose and A. Einstein predict that ultra- cold atoms will behave like a collective wave – a Bose-Einstein condensate.

1985 LASER COOLING IS INVENTED

Laser beams can slow down atoms, hence cooling them. The method allows the cooling of a gas of atoms to less than one thousandth of a degree above absolute zero.

1995 CONDENSATE­S ARE PRODUCED

The first BoseEinste­in condensate­s are produced at temperatur­es of a few billionths of a degree above zero. In 2001, three US physicists are rewarded with a Nobel Prize in physics for their results.

2001 BOSE-EINSTEIN IN ATOM CHIPS

Bose-Einstein condensate­s can be produced in atom chips, but they are hard to study. When the atom cloud is let loose, physicists have 10ms, before the quantum state collapses.

2007 UNIVERSAL COLD RECORD

Scientists make a chip-based chamber fall down through a 146-m-high tower in a state of weightless­ness. En route, the condensate is cooled to 50 billionths of a degree above zero.

2017 FIRST SPACE EXPERIMENT

An chamber is launched into space for the first time from Kiruna, Sweden. Over a period of six minutes of weightless­ness, physicists make 85 different condensate measuremen­ts.

2018 100 BILLIONTHS ABOVE ZERO

The Cold Atom Laboratory is launched to the ISS, to study condensate­s for 10-20 seconds, as they expand and cool. The chamber cools below 100 billionths of a degree above absolute zero.

 ??  ?? A cloud of ultra- cold atoms is let loose from a chip in the Internatio­nal Space Station, ISS. The cloud expands and is cooled to 100 billionths of a degree above absolute zero (-273.15 °C).
A cloud of ultra- cold atoms is let loose from a chip in the Internatio­nal Space Station, ISS. The cloud expands and is cooled to 100 billionths of a degree above absolute zero (-273.15 °C).
 ??  ?? Near absolute zero, atoms collect into one quantum wave.
Near absolute zero, atoms collect into one quantum wave.
 ??  ?? An ordinary gas is made up of separate, individual particles.
An ordinary gas is made up of separate, individual particles.
 ?? SCIENCE SOURCE/IMAGESELEC­T, F. SCHMUTZER ?? Satyendra Bose and Albert Einstein predicted that ultra- cold particles are converted into a quantum wave.
SCIENCE SOURCE/IMAGESELEC­T, F. SCHMUTZER Satyendra Bose and Albert Einstein predicted that ultra- cold particles are converted into a quantum wave.

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