\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

March 27 (UPI) --A Pennsylvania woman bought a drawing for $12 at a collector's auction and she later determined it might be a far more valuable work by French impressionist Pierre-Auguste Renoir.

The best binoculars for kids should be lightweight, durable and designed with comfortable grips and simple focus mechanisms to suit smaller hands. It's also crucial to prioritize safety ...

The winning numbers from the Monday, March 24 drawing were 06-23-35-36-47 and the Powerball was 12. The Power Play was 2X. Did anyone win Powerball drawing, Monday, March 24, 2025?

Whether you’re looking to hone your skills or are trying life drawing for the very first time, our classes are a wonderful way to experience life drawing in a supportive and friendly environment.