BlogArena

General blog about anything and everything of everyday's life.

27. May 2019

September 9, 2014
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What lit up the universe?

New research from UCL shows we will soon uncover the origin of the ultraviolet light that bathes the cosmos, helping scientists understand how galaxies were built. The study published in The Astrophysical Journal Letters by UCL cosmologists Dr Andrew Pontzen … Continue reading

June 21, 2013
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The rhythm of everything

Dawn triggers basic biological changes in the waking human body. As the sun rises, so does heart rate, blood pressure and body temperature. The liver, the kidneys and many natural processes also begin shifting from idle into high gear. Then … Continue reading

January 22, 2013
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Study Explains Skin’s Response to UVA Light

Researchers have strengthened their understanding of how skin cells called melanocytes sense ultraviolet light and act to protect themselves with melanin. In a new study, they report experiments showing that an ion channel well-known elsewhere in the body for its … Continue reading

December 15, 2012
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Nanocrystals Not Small Enough to Avoid Defects

Berkeley Lab Scientists at Advanced Light Source Show Dislocations Can Be Induced by Pressure in Ultrafine Nanocrystals Nanocrystals as protective coatings for advanced gas turbine and jet engines are receiving a lot of attention for their many advantageous mechanical properties, … Continue reading

October 16, 2012
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Graphene Membranes May Lead To Enhanced Natural Gas Production, Less CO2 Pollution, Says CU Study

Engineering faculty and students at the University of Colorado Boulder have produced the first experimental results showing that atomically thin graphene membranes with tiny pores can effectively and efficiently separate gas molecules through size-selective sieving. The findings are a significant … Continue reading

October 13, 2012
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Freezing Electrons in Flight

Using the world’s fastest laser pulses, which can freeze the ultrafast motion of electrons and atoms, UA physicists have caught the action of molecules breaking apart and electrons getting knocked out of atoms. Their research helps us better understand molecular … Continue reading

September 9, 2012
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First Stars, Galaxies Formed more Rapidly than Expected

Analysis of data from the National Science Foundation’s South Pole Telescope, for the first time, more precisely defines the period of cosmological evolution when the first stars and galaxies formed and gradually illuminated the universe. The data indicate that this … Continue reading

September 4, 2012
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Synchronized Lasers Measure How Light Changes Matter

Berkeley Lab scientists and their colleagues have successfully probed the effects of light at the atomic scale by mixing x-ray and optical light waves at the Linac Coherent Light Source Light changes matter in ways that shape our world. Photons … Continue reading