Philadelphia firefighters gather at the entrance to Philadelphia Energy Solutions Refinery, while a large flare burns off fuel to prevent it from feeding the massive fire at the refinery. Workers at ...

IN the manufacture of paper-insulated condensers, impregnating materials are used to eliminate air pockets and to increase the dielectric capacity of the paper. With long use, particularly at high ...

A new study provides fresh insight into traditional acid-base chemistry by revealing that the mutual neutralization of isolated hydronium (H 3 O⁺) and hydroxide (OH⁻) ions is driven by electron ...

In the cohort that received the BA.5-containing bivalent booster, the neutralizing activity against all the omicron subvariants as compared with that against WA1/2020 was better than in the other two ...

The highly transmissible omicron (B.1.1.529) variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is of mounting concern globally. The omicron variant carries a large number of ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

A well-established technique, acid-base titration is an analytical method used to determine the concentration of an unknown acid or base. In practice, it involves ...