Effect of two room temperature ionic liquids (RTIL, [pmim][Br] and [pmim][BF4]) on the solvation dynamics and anisotropy decay of coumarin 480 (C480) in P123 gel has been studied using femtosecond up-conversion. In P123 gel, C480 displays a significant excitation wavelength dependence of emission maximum (red edge excitation shift, REES of 18 nm) and solvation dynamics, which suggest heterogene...

The human eye serves distinctly dual roles in image forming (IF) and non-image-forming (NIF) responses when exposed to light. Whereas IF responses mediate vision, the NIF responses affect various molecular, neuroendocrine, and neurobehavioral variables. NIF responses can have acute and circadian phase-shifting effects on physiological variables. Both the acute and phase-shifting effects induced...

Invoke the Constraint Satisfaction applet, and load the sample "Five Queens Problem". Look at the graph displayed, and determine the relationship between the conventional representation of the queens problem on a chess board, and this one. Then use the tool to solve the problem. You can do this either in "Auto-Solve" mode, or manually: Select values for a variable, and then let the tool calcula...

I propose that the properties of the two outbursts observed in the X-ray transient XTE J1118+480 in 2000 are akin to super-outbursts of SU UMa stars. In these systems a 'normal' outburst immediately precedes a 5–10 times longer ('super')outburst. The optical light curve of the outbursts of XTE J1118+480 is remarkably similar to that seen in some SU UMa stars, such as UV Per and T Leo, where the...