Physical Sciences

Spying on Black-Hole Eating Habits with LISA
First Search in Stellar Graveyard Yields Two Possible Planets
Shown here is one of the 20 target white dwarfs of our survey. The white dwarf is at the center of the image and has been masked out. North is up and east is to the left. Nearby to the east is a candidate companion (circled), which if associated would be a massive planet or low mass brown dwarf. It needs further observations to confirm or refute its association with the white dwarf.
Swift X-ray Telescope Sees Its First Light and Captures Its First Gamma-Ray-Burst Afterglow
First-light image from the Swift X-ray Telescope, of the Cassiopeia A supernova remnant.
Molecular Chains Line Up to Form Protopolymer
Protopolyphenylene is composed of molecules lined up for reaction and held in place by the copper substrate surface and intermolecular interactions. The image of a 270-angstrom (27-nanometer) square area of the surface was recorded with a scanning tunneling microscope at 77 K in ultrahigh vacuum. The ridged ring structure is the protopolymer; the angled lines are one-atom-high steps of the copper substrate.
Experiment Confirms Existence of New Electronic State in Superconductors
Picture of a strontium ruthenate Sr2RuO4 SQUID used to demonstrate that strontium ruthenate is an odd-parity superconductor. A thin layer of a conventional superconductor is deposited on the front and two sides of a black Sr2RuO4 crystal. Au wires of 25 microns in diameter are attached to the SQUID for current measurements. Credit: John Passaneau,Penn State
Mysterious Cluster of Stars Discovered Near Milky Way
This clump of newly discovered stars in Ursa Major is in a region the size of the full moon centered on Willman 1. To be able to see this ultra-faint object in the SDSS data, the distribution of stars was filtered to enhance its signal relative to the much more numerous closer stars of the Milky Way Galaxy. (Credit: Beth Willman, New York University, The Sloan Digital Sky Survey).
Eberly College of Science Co-op Student of the Year Named
Vulnerability of Power Grid Centers on Key Junctions
Reka Albert Named a Fellow of the American Physical Society
Strong New Evidence of a Supersolid Phase of Matter
Strong New Evidence of a Supersolid Phase of Matter
Physics Gravity Model Applicable to Disease Spread
Ottar Bjornstad
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