Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

April Wilkerson breaks down her 3D laser side hustle with real numbers and lessons learned. Why Trump is holding back on helping people who can't buy food Trump accused boat crews of being ...

In various space tasks such as space rendezvous-docking and on-orbit maintenance, the measurement of the relative posture and position of non-cooperative spacecraft is a key component. However, the ...

Abstract: We fabricate a membrane distributed-reflector lasers with a Si waveguide by using micro-transfer printing, achieving a low threshold current of 1.1-3.7 mA in a temperature range of ...

Abstract: In this paper, we proposed a nonlinear approximation scheme to the time-dependent longitudinal carrier distribution with a view toward finding the efficient solution scheme of the previously ...