First theorized in 1938, heat's wave-like flow through superfluids, known as "second sound", has proven difficult to directly observe. Now, a new technique has finally done it, and could be used to ...

The Puerto Rico-born musician talks us through the key tools in his arsenal, and expanding his dubby sonic universe without ...

Materials found in nature, such as cotton linen and viscose are better to wear in hot weather than man-made fabrics such as ...

Abstract: A plain flat 'row-bar' of commercial thin-film disk heads was evaluated and found to be suitable for high speed and high track- and linear-density tape recording. After more than 2000 hours ...