ASML's Q2 shines, but weakened guidance and rising risks signal caution. Read why I rate ASML a Sell and prefer to wait for ...

For decades, I have been interested in the application of small-diameter aperture optics, or SDAO, to enhance visual function ...

Small-aperture intraocular lens implantation in eyes with previous refractive procedures: An observational, single-site study. Presented at: American Society of Cataract and Refractive Surgery ...

Detailed price information for Lam Research Corp (LRCX-Q) from The Globe and Mail including charting and trades.

This meant that a microscope could not resolve two objects located closer than λ /2NA, where λ is the wavelength of light and NA is the numerical aperture of the imaging lens.