You might start in the mystery aisle, determined to find that elusive Agatha Christie novel, only to emerge three hours later ...

Vision Aid's hands-free LED magnifying ... books, too, especially for those with weaker eyesight or issues like glaucoma. “I use this item every day! I love it so much, I sent one to my sister & then ...

【Comfortable Handle Design】The rubber design makes the magnifying glass easy to hold. Great for reading books, insect and kids hobby observation. Rubber material not easy to damage, can be ...

[Johnie] built himself a CNC woodburner powered by the sun. Like the solar 3D printer we saw last summer, [Johnie]’s build uses a giant Fresnel lens to focus sunlight onto a piece of wood. To ...