Abstract: This article presents a CMOS-based, ultra-broadband frequency-modulated continuous-wave (FMCW) radar using a terahertz (THz) frequency-comb architecture. The high-parallelism spectral ...

Think your swimming goggles should be a cheap, often-replaced item? Then think again. Technology has moved on loads in recent years, so there’s no need to settle for leaky, ill-fitting or foggy ...

Want to start the next tri season raring to go? Then this 8 week off-season plan that involves hitting the bike and run trails will have huge form and fitness benefits.

†School of Chemistry and Chemical Engineering, Nanjing University. ‡Department of Physics, Nanjing University. Article Views are the COUNTER-compliant sum of full text article downloads since November ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...