To accomplish the task, they developed angular dispersion control schemes to generate counter-propagating Stokes and pump Bessel light bullets with positive and negative v g, respectively. The phase ...

Coronavirus disease 2019 (COVID-19) has spread to nearly every country globally and caused over 5 million deaths. Following the emergence of the initial strain in Wuhan, China, and its sudden ...

Detecting nanoscale plastic pollutants in the environment is a continuing challenge, and their presence is commonly only estimated rather than measured directly. A project at Vienna's TU Wien has now ...

Illustration of a Raman-suppressed, X-cut thin film lithium niobate racetrack microresonator used for microcomb generation. Harvard researchers have demonstrated a special type of optical frequency ...

Spatially masked optical Kerr effect (SM-OKE) spectroscopy is a nonresonant femtosecond pump–probe technique capable of measuring isotropic contributions to the transient birefringence of molecular ...

Relationship of programmed death 1 (PD-1) expression to the recurrence in gastric cancer. This is an ASCO Meeting Abstract from the 2015 Gastrointestinal Cancers Symposium. This abstract does not ...

National Science Day is observed every year on February 28. On this day, the country celebrates the contributions and achievements of scientists in India. On this day in 1928, Sir Chandrasekharar ...