“Einstein showed us that the Universe might contain a mysterious form of vacuum energy…. Last year, two teams of astronomers used Earth's most powerful telescopes… to gather persuasive evidence for the reality of the cosmic vacuum energy. Its effects are dramatic. It is accelerating the expansion of the Universe.”

— John D. Barrow

Source: The Book of Nothing (2009), chapter nought "Nothingology—Flying to Nowhere"

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John D. Barrow 58

British scientist 1952–2020

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“There was always something left: a vacuum energy that permeated every fibre of the Universe.”

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Source: The Book of Nothing (2009), chapter nought "Nothingology—Flying to Nowhere"
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“The quantum revolution showed us why the old picture of a vacuum as an empty box was untenable.”

John D. Barrow (1952–2020) British scientist

...Gradually, this exotic new picture of quantum nothingness succumbed to experimental exploration... in the form of vacuum tubes, light bulbs and X-rays. Now the 'empty' space itself started to be probed. ...There was always something left: a vacuum energy that permeated every fibre of the Universe.
Source: The Book of Nothing (2009), chapter nought "Nothingology—Flying to Nowhere"

“Gradually, over the last twenty years, the vacuum has turned out to be more unusual, more fluid, less empty, and less intangible than even Einstein could have imagined.”

John D. Barrow (1952–2020) British scientist

Preface
The Book of Nothing (2009)
Context: The spooky ether was persistent. It took an Einstein to remove it from the Universe.... Gradually, over the last twenty years, the vacuum has turned out to be more unusual, more fluid, less empty, and less intangible than even Einstein could have imagined. Its presence is felt on the very smallest and largest dimensions over which the forces of Nature act.