Black holes stunt growth of dwarf galaxies

Astronomers at the University of California, Riverside, have discovered that powerful winds driven by supermassive black holes in the centers of dwarf galaxies have a significant impact on the evolution of these galaxies ...

What makes Tom Hanks look like Tom Hanks?

Tom Hanks has appeared in many acting roles over the years, playing young and old, smart and simple. Yet we always recognize him as Tom Hanks. Why? Is it his appearance? His mannerisms? The way he moves?

Point and shoot camera produces 3-D models

(Phys.org)—The Kickstarter campaign launched by Lynx Laboratories, from Austin, Texas, is off to a swift-kick start. Obviously, visitors to their page like what they promise. With their goal of $50,000, they have at the ...

Magnetic vortex reveals key to spintronic speed limit

(Phys.org)—The evolution of digital electronics is a story of miniaturization - each generation of circuitry requires less space and energy to perform the same tasks. But even as high-speed processors move into handheld ...

How much difference can one degree of warming make?

A vicious cycle of warming temperatures and reduced snowpack in northern forests is more severe than climate models have shown and could lead to increased fire risk and permanent damage to ecosystems.

Long-lived lakes reveal a history of water on Mars

The northern hemisphere of Mars is divided into two broadly distinctive areas: the smooth northern lowlands and the pockmarked southern highlands. The region of Arabia Terra sits along the transition between these two regions ...

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