Researchers have created an optical device that can generate both electric and magnetic vortex-ring-like light patterns.

The saying “round pegs do not fit square holes” persists because it captures a deep engineering reality: inefficiency most often arises not from flawed components, but from misalignment between a ...

Figure 1: Maleimido-QA compounds as tethered blockers. Figure 2: Effect of 21 Å tethered QAs on Shaker K + channels. Figure 4: Single-channel block by a 32 Å maleimido-QA. The approach introduced in ...