Inspirational Women in STEM and Grand Challenges for you to Solve
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This is a talk I gave in 2016 highlighting some of the women who inspired me in mathematics, computer science, space exploration, and beyond. It features images from Rachel Ignotofsky's beautiful "Women in Science" which everyone should read.
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Randomised Optimisation Algorithms in DAPHNE
Slides from talk:
Aleš Zamuda: Randomised Optimisation Algorithms in DAPHNE .
Austrian-Slovenian HPC Meeting 2024 – ASHPC24, Seeblickhotel Grundlsee in Austria, 10–13 June 2024
https://ashpc.eu/
Alternate Wetting and Drying - Climate Smart Agriculture
Alternate Wetting and Drying - Climate Smart AgricultureInternational Food Policy Research Institute- South Asia Office
PPT on Alternate Wetting and Drying presented at the three-day 'Training and Validation Workshop on Modules of Climate Smart Agriculture (CSA) Technologies in South Asia' workshop on April 22, 2024. Farming systems analysis: what have we learnt?.pptx
Presentation given at the official farewell of Prof Ken Gillet at Wageningen on 13 June 2024
Mechanisms and Applications of Antiviral Neutralizing Antibodies - Creative B...
Neutralizing antibodies, pivotal in immune defense, specifically bind and inhibit viral pathogens, thereby playing a crucial role in protecting against and mitigating infectious diseases. In this slide, we will introduce what antibodies and neutralizing antibodies are, the production and regulation of neutralizing antibodies, their mechanisms of action, classification and applications, as well as the challenges they face.
Anti-Universe And Emergent Gravity and the Dark Universe
Recent theoretical progress indicates that spacetime and gravity emerge together from the entanglement structure of an underlying microscopic theory. These ideas are best understood in Anti-de Sitter space, where they rely on the area law for entanglement entropy. The extension to de Sitter space requires taking into account the entropy and temperature associated with the cosmological horizon. Using insights from string theory, black hole physics and quantum information theory we argue that the positive dark energy leads to a thermal volume law contribution to the entropy that overtakes the area law precisely at the cosmological horizon. Due to the competition between area and volume law entanglement the microscopic de Sitter states do not thermalise at sub-Hubble scales: they exhibit memory effects in the form of an entropy displacement caused by matter. The emergent laws of gravity contain an additional ‘dark’ gravitational force describing the ‘elastic’ response due to the entropy displacement. We derive an estimate of the strength of this extra force in terms of the baryonic mass, Newton’s constant and the Hubble acceleration scale a0 = cH0, and provide evidence for the fact that this additional ‘dark gravity force’ explains the observed phenomena in galaxies and clusters currently attributed to dark matter.
JAMES WEBB STUDY THE MASSIVE BLACK HOLE SEEDS
The pathway(s) to seeding the massive black holes (MBHs) that exist at the heart of galaxies in the present and distant Universe remains an unsolved problem. Here we categorise, describe and quantitatively discuss the formation pathways of both light and heavy seeds. We emphasise that the most recent computational models suggest that rather than a bimodal-like mass spectrum between light and heavy seeds with light at one end and heavy at the other that instead a continuum exists. Light seeds being more ubiquitous and the heavier seeds becoming less and less abundant due the rarer environmental conditions required for their formation. We therefore examine the different mechanisms that give rise to different seed mass spectrums. We show how and why the mechanisms that produce the heaviest seeds are also among the rarest events in the Universe and are hence extremely unlikely to be the seeds for the vast majority of the MBH population. We quantify, within the limits of the current large uncertainties in the seeding processes, the expected number densities of the seed mass spectrum. We argue that light seeds must be at least 103 to 105 times more numerous than heavy seeds to explain the MBH population as a whole. Based on our current understanding of the seed population this makes heavy seeds (Mseed > 103 M⊙) a significantly more likely pathway given that heavy seeds have an abundance pattern than is close to and likely in excess of 10−4 compared to light seeds. Finally, we examine the current state-of-the-art in numerical calculations and recent observations and plot a path forward for near-future advances in both domains.
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...Advanced-Concepts-Team
Presentation in the Science Coffee of the Advanced Concepts Team of the European Space Agency on the 07.06.2024.
Speaker: Diego Blas (IFAE/ICREA)
Title: Gravitational wave detection with orbital motion of Moon and artificial
Abstract:
In this talk I will describe some recent ideas to find gravitational waves from supermassive black holes or of primordial origin by studying their secular effect on the orbital motion of the Moon or satellites that are laser ranged.Methods of grain storage Structures in India.pdf
•Post-harvestlossesaccountforabout10%oftotalfoodgrainsduetounscientificstorage,insects,rodents,micro-organismsetc.,
•Totalfoodgrainproductioninindiais311milliontonnesandstorageis145mt.InIndia,annualstoragelosseshavebeenestimated14mtworthofRs.7,000croreinwhichinsectsaloneaccountfornearlyRs.1,300crores.
•InIndiaoutofthetotalproduction,about30%ismarketablesurplus
•Remaining70%isretainedandstoredbyfarmersforconsumption,seed,feed.Hence,growerneedstoragefacilitytoholdaportionofproducetosellwhenthemarketingpriceisfavourable
•TradersandCo-operativesatmarketcentresneedstoragestructurestoholdgrainswhenthetransportfacilityisinadequate
Sustainable Land Management - Climate Smart Agriculture
Sustainable Land Management - Climate Smart AgricultureInternational Food Policy Research Institute- South Asia Office
PPT on Sustainable Land Management presented at the three-day 'Training and Validation Workshop on Modules of Climate Smart Agriculture (CSA) Technologies in South Asia' workshop on April 22, 2024.
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Inspirational Women in STEM and Grand Challenges for you to Solve
- 1. Inspirational Women in STEM and Grand Challenges for you to Solve Professor Barry O’Sullivan University College Cork Image credit: Rachel Ignotofsky
- 5. Image credit: Rachel Ignotofsky
- 6. “Women in Science” by Rachel Ignotofsky https://www.rachelignotofskydesign.com Image credit: Rachel Ignotofsky
- 7. You know you’ve made it when Lego build a kit around you. Make that your ambition.
- 8. You know you’ve made it when Lego build a kit around you. Make that your ambition.
- 9. Margaret was Director of the Software Engineering Division of the MIT Instrumentation Laboratory. Developed on-board flight software for the Apollo space program. Without Margaret, men would not have landed on the moon.
- 11. Ada Lovelace wrote the first computer program. Image credit: Rachel Ignotofsky
- 13. Grace Hopper invented the first complex computer language, compilers, etc. She changed how we use computers forever. Image credit: Rachel Ignotofsky
- 14. Rosalind Franklin discovered the double-helix of DNA. Had she lived she would have won the Nobel Prize. Image credit: Rachel Ignotofsky
- 15. Mae Jemison was the first African-American woman in space and the first real astronaut on Star Trek. Leads the 100 Year Starship project. Image credit: Rachel Ignotofsky
- 19. Michael Elliott, CEO of The ONE Campaign: “We live in a world where millions of people matter so little that they are uncounted. Their births are not recorded; they can’t access basic healthcare, enough food or an education. This year we expect ambitious new global goals to end extreme poverty, but if we don’t deal with the crisis of inadequate data for monitoring and achieving the goals, we can’t have full accountability or a clear picture of progress. Fixing it needs political support, funding and practical action.”
- 20. Jacob Lew, US Treasury Secretary, Addis Ababa, July 2015: “While we live in a world flooded with data, most developing countries lack reliable, high-quality — and perhaps most importantly — useable data on key areas, from poverty and employment, to health and education, to governance and corruption.”
- 22. 1-Dec- 16 Insight Centre for Data Analytics Slide 22 The best way to predict poverty is by combining satellite images with machine learning http://sustain.stanford.edu/predicting-poverty
- 23. N.Jean. et al. Science 19 Aug 2016: Vol. 353, Issue 6301, pp. 790-794 DOI: 10.1126/science.aaf7894 http://sustain.stanford.edu/predicting-poverty
- 26. Human-like bias is baked into language!
- 29. Thank you for listening... @BarryOSullivan