Light is initially reflected off the primary mirror at the back of the lens onto the much smaller secondary mirror at the front of the lens and then refractive elements finish the job. There are some ...

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In these cases, balsam cement is used to bond concave and convex surfaces, ensuring proper alignment and eliminating air bubbles or excess adhesive. Once internal components are secured ...

They elected you. Chelsea Donaldson is a member of the Connecticut Mirror’s Community Editorial Board. All of the Community Editorial Board's works are available here. The members' opinions are ...

Mirror photo by Patrick Waksmunski Scott Mighells of Mighells Brothers Excavating, Altoona, digs a hole for a support during construction of a new third base deck at East End Little League Field ...