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How the Universe Made the Elements in the Periodic Table - James Sowell

The creation of the elements in the universe took billions of years and required various processes.The first few minutes of the big bang produced only hydrogen (H) and helium (He). No new elements…

From  Kathryn Gentilello 5 Days ago 4 views 0  

Hibba Abugideiri - Midwives, Housewives and Nationalism: Egypt in the Making of Colonial Medicine

Speaker Hibba Abugideri is an historian of postcolonial and Islamic feminism and women in the Middle East. Currently an assistant professor at Villanova University, she has published articles in…

From  Kathryn Gentilello 2 Months ago 3 views 0  

Hibba Abugideiri - Islamic Feminism: Speaking from Behind the Veil

Speaker Hibba Abugideri is an historian of postcolonial and Islamic feminism and women in the Middle East. Currently an assistant professor at Villanova University, she has published articles in…

From  Kathryn Gentilello 2 Months ago 3 views 0  

Jennifer Curtis, Chandra Raman, Rick Trebino - Celebration of 2018 Physics Nobel Prize: Lighting the way with microscopic tractor beams and sculpted laser pulse

The 2018 Nobel Prize in Physics recognizes two breakthrough inventions in laser physics. The first, optical tweezers, allows scientist and engineers to use lasers like the tractor beams of Star Trek…

From  Kathryn Gentilello 3 Months ago 12 views 0  

Elisabetta Matsumoto - Non-Euclidean Virtual Reality

The 2016 confirmation of Einstein's prediction of gravitational waves has put the spotlight back on the importance of curvature for the physics of the universe. While the ability of mass to…

From  Kathryn Gentilello 3 Months ago 5 views 0  

Seth Shostak - When Will We Find E.T. and What Happens If We Do?

Are we alone in the universe? The scientific hunt for extraterrestrial intelligence is now well into its fifth decade, and we still haven’t discovered any cosmic company. Could all this mean…

From  Kathryn Gentilello 4 Months ago 15 views 0  

Computer Science in Six-Tenths of a Second: What Happens After Hitting ENTER in a Google Search - Lance Fortnow

What is computer science? Ask Google or Alexa, and you'll get an answer like "the study of the principles and use of computers." That doesn't really capture the breadth of the…

From  Kathryn Gentilello 9 Months ago 13 views 0  

Ordered and disordered motion in dense active materials - Ludovic Berthier

We discuss how the non-equilibrium driving forces introduced by the natural biological activity or by physical self-propulsion mechanisms generically affect the structure, dynamics and phase behavior…

From  Kathryn Gentilello 9 Months ago 32 views 0  

Local and global avalanches in sheared granular materials - Aghil Abed Zadeh

We perform a stick-slip experiment to characterize avalanches for granular materials. In our experiment, a constant speed stage pulls a slider which rests on a vertical bed of circular photoelastic…

From  Kathryn Gentilello 9 Months ago 19 views 0  

Exploiting disorder - Sid Nagel

We are taught to understand solids by considering ideal crystals. This approach becomes untenable as the amount of disorder increases; for a glass with no well-defined long-range order, a crystal is…

From  Kathryn Gentilello 9 Months ago 12 views 0