Curious about what’s crawling on your windowsill? Or what’s hiding in the grooves of a dollar bill? Snap 2MP stills or record ...

Pocket 16X microscope with 2 illumination LEDs and acrylic lenses Lens diameter of 1/2 inch Adjustable focus and metal body Comes with a carrying pouch Requires 3 AG7 batteries (included!) ...

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Hegseth orders Army to cut costs by merging some commands and slashing jobs Secret messages engraved on 3,300-year-old Egyptian obelisk in Paris finally decoded Donald Trump Declares Two New Days ...

This study proposes a simplified 3-D point spread function (PSF) model for high-magnification optical microscopes. First, the property of the calculated intensity distribution obtained from the ...