The Student Movement Volume 106 Issue 14: Climb Every Mountain, Tube Every Hill

HUMANS Getting to Know AU\u27s New Photography Professor Dan Weber. Interviewed by Karenna Lee Interview with BSCF President Khaylee Sands, Interviewed by: Timmy Duado Military to Music: Interview with Marcus Carter, Interviewed by: Grace No ARTS & ENTERTAINMENT Black Entertainers Who Inspire Me, Hannah Cruse In the Words of AU: Why Black Art is Important, Solana Campbell Know Your Roots by Marcel Mattox, Interviewed by: Kaela McFadden NEWS Embracing the New Normal, Jenae Rogers Mask Off: Andrews University Updates Covid-19 Guidelines, Abigail Lee Panic: Understanding the War Over Ukraine, Chris Ngugi Winter Storms Flurry Through the Midwest and the South, Nathan Mathieu IDEAS Kanye West and Paternal Accountability: Why it Matter, Alyssa Henriquez Should Joe Biden Cancel Student Debt? Who Has to Save The World?, Qualyn Robinson PULSE Cardinals vs. Golden Eagles: A Few Last Flights at the Season\u27s End, Alannah Tjhatra Fun Weekend Winter Activities, Shania Watts Thoughts on the Beijing 2022 Winter Olympics, Kaela McFadden THE LAST WORD Please Lamson Hall, Can I Have Some More?, Abigail Leehttps://digitalcommons.andrews.edu/sm-106/1013/thumbnail.jp

The Student Movement Volume 106 Issue 13: Know Your Roots: Reclaim Your Narrative

HUMANS Black History Month at Andrews University: Interview with Michael Nixon, Interviewed by: Timmy Duado Promoting Black Beauty Products as an Influencer, Interviewed by: Taylor Uphus What does Black History Month Mean to You?, Interviewed by: Caryn Cruz ARTS & ENTERTAINMENT Black and Proud: An Exhibition by Courtney Saunders, Qualyn Robinson Creative Spotlight: Michael Davis, Interviewed by: Steven Injety Current Favorites: Black Figures in Media Edition, Kaela McFadden Signal Boost: Abbott Elementary, Solana Campbell NEWS Andrews University Hosts a New Career Center, Nathan Mathieu The Honorable Decision: News on Joe Biden\u27s Nominee For the Highest Court in the Land, Chris Ngugi The Sweet Potato Journey, Timmy Duado IDEAS Being Bat at Being Black, Qualyn Robinson Music vs Musician, Sion Kim The Day I Became Afro-Latina, Gabriela Francisco The Devastating Effects of Climate Change on Economically Disadvantaged Countries, Denique Black PULSE An Ode to Breakfast Burritos, T Bruggemann Diaspeirein: The Bridge Across, Wambui Karanja How to Write a Great Personal Statement, Alannah Tjhatra THE LAST WORD The Diminishment of Dr. King\u27s Legacy, Lyle Goulbournehttps://digitalcommons.andrews.edu/sm-106/1012/thumbnail.jp

How revealing is revealed preference?

This lecture address the following two key criticisms of the empirical application of revealed preference theory: When the RP conditions do not reject, they do not provide precise predictions; and when they do reject, they do not help characterize the nature of irrationality or the degree/direction of changing tastes. Recent developments in the application of RP theory are shown to have rendered these criticisms unfounded. A powerful test of rationality is available that also provides a natural characterization of changing tastes. Tight bounds on demand responses and on the welfare costs of relative price and tax changes are also available and are shown to work well in practice

Micro-meteoroid seismic uplift and regolith concentration on kilometric scale asteroids

Seismic shaking is an attractive mechanism to explain the destabilisation of regolith slopes and the regolith migration found on the surfaces of asteroids (Richardson et al. 2004; Miyamoto et al. 2007). Here, we use a continuum mechanics method to simulate the seismic wave propagation in an asteroid. Assuming that asteroids can be described by a cohesive core surrounded by a thin non-cohesive regolith layer, our numerical simulations of vibrations induced by micro-meteoroids suggest that the surface peak ground accelerations induced by micro-meteoroid impacts may have been previously under-estimated. Our lower bound estimate of vertical accelerations induced by seismic waves is about 50 times larger than previous estimates. It suggests that impact events triggering seismic activity are more frequent than previously assumed for asteroids in the kilometric and sub-kilometric size range. The regolith lofting is also estimated by a first order ballistic approximation. Vertical displacements are small, but lofting times are long compared to the duration of the seismic signals. The regolith movement has a non-linear dependence on the distance to the impact source which is induced by the type of seismic wave generating the first movement. The implications of regolith concentration in lows of surface acceleration potential are also discussed. We suggest that the resulting surface thermal inertia variations of small fast rotators may induce an increased sensitivity of these objects to the Yarkovsky effect.Comment: Accepted for publication in Icaru

Spartan Daily, April 24, 1981

Volume 76, Issue 57https://scholarworks.sjsu.edu/spartandaily/6761/thumbnail.jp

Some recent developments in microeconometrics: A survey

This paper summarizes some recent developments in rnicroeconometrics with respect to methods for estimation and inference in non-linear models based on cross-section and panel data. In particular we discuss recent progress in estimation with conditional moment restrictions, simulation methods, serniparametric methods, as well as specification tests. We use the binary cross-section and panel probit model to illustrate the application of some of the theoretical results. --

Determination of physical properties of the asteroid (41) Daphne from interferometric observations in the thermal infrared

We describe interferometric observations of the asteroid (41) Daphne in the thermal infrared obtained with the Mid-Infrared Interferometric Instrument (MIDI) of the Very Large Telescope Interferometer (VLTI). We derived the size and the surface thermal properties of (41) Daphne by means of a thermophysical model (TPM), which is used for the interpretation of interferometric data for the first time. From our TPM analysis, we derived a volume equivalent diameter for (41) Daphne of 189 km, using a non-convex 3-D shape model derived from optical lightcurves and adaptive optics images (B. Carry, private communication). On the other hand, when using the convex shape of Kaasalainen et al. (2002. Icarus 159, 369-395) in our TPM analysis, the resulting volume equivalent diameter of (41) Daphne is between 194 and 209 km, depending on the surface roughness. The shape of the asteroid is used as an a priori information in our TPM analysis. No attempt is made to adjust the shape to the data. Only the size of the asteroid and its thermal parameters (albedo, thermal inertia and roughness) are adjusted to the data. We estimated our model systematic uncertainty to be of 4% and of 7% on the determination of the asteroid volume equivalent diameter depending on whether the non-convex or the convex shape is used, respectively. In terms of thermal properties, we derived a value of the surface thermal inertia smaller than 50 J m-2 s-0.5 K-1 and preferably in the range between 0 and 30 J m-2 s-0.5 K-1. Our TPM analysis also shows that Daphne has a moderate macroscopic surface roughness.Comment: 44 pages, 8 figures, 3 table