On Monday, expert lampist Chad Kaiser got to work disassembling the more than 100-year-old Fresnel lens at the Dali Museum in Monterey. “Compared with several other lenses around the country, it is in ...

A lens manufactured in France in 1902 is shining high atop Montauk Point Lighthouse once again. Earlier this month the U.S. Coast Guard relit the clamshell-shaped Fresnel lens, which guided mariners ...

A lens made in 1902 has been returned to the lantern room atop the lighthouse, which was commissioned by George Washington. By James Barron Good morning. It’s Monday. Today we’ll find out why a ...

In its 154 years, the Cape Hatteras Lighthouse in Buxton has saved countless mariners from disaster in the treacherous waters where the Gulf Stream clashes with the Labrador Current and tries to shove ...

If you had an array of high power addressable LEDs, how would you project them onto a wall? Perhaps you’d use a Fresnel lens, or maybe an individual lens on the top of each. [Joo] faced this problem ...

You may know them best for their original use in lighthouses, where they're famously recognised as "the invention that saved a million ships". Or perhaps you initially think of their employment in ...

For the month of February, New Yorkers can boast about a new superlative. Usurping the previously held record by a lighthouse in Oahu, Hawaii, New York's Times Square now holds the world's largest ...

Point Sur Lightstation is getting its original First-Order Fresnel lens back.The United States Coast Guard signed off on returning the 1887 Fresnel back to Point Sur on Monday and the work to get it ...