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2 Table of Contents: “... The Inhomogeneity of the Earth’s Atmosphere: Clouds and Refraction -- V The Particle Barrier -- VI The Fusion...”

3 Table of Contents: “... -- The Composition-Age-Velocity Connection -- Big and Little Bangs -- How Nature Overcomes its Own Barriers -- Beyond...”

4 Table of Contents: “... National Barriers -- Going Commercial -- Credibility in Science Communication -- The Hubble Space Telescope...”

5 “... around the centrifugal barrier of the infalling-rotating envelopes, and (ii) the chemical composition...”

6 Table of Contents: “... in Tokamak Plasmas -- Internal Transport Barriers in Magnetised Plasmas -- Characterization of Turbulence...”

7 Table of Contents: “...-barrier nuclear fusion cross sections as a possible solution to the solar neutrino problem -- Helioseismic...”

8 “... through the 1,000 ‘barrier’ within a couple of years. The recent launch of the Kepler space telescope...”

9 Table of Contents: “... Disciplinary Barriers...”

10 “... achieved professionally they contributed within society to a gradual erosion of those barriers raised...”