'It could illuminate an area the size of a football stadium': How Russia launched a giant space mirror in 1993
The Znamya project had the potential to change the world. The BBC's Tomorrow's World reported on an experiment that was ...
Digital Camera World on MSN11d
This photographer rigged a waist-level viewfinder from cheap mirrors for US$10 – and he’s sharing how you can, too
One of my pet peeves with some compact cameras is that they often skip the viewfinder entirely. But one photographer and ...
The Washington Post27d
A rare look at NASA’s next sharp-eyed space telescope
The central feature of the telescope is an exquisitely polished, concave primary mirror, 2.4 meters (7.9 feet) in diameter. The primary mirror sits beneath a smaller, secondary mirror that ...
Mommy Travels on MSN10d
Posture Travel Tips
Travel—the ultimate test of patience, endurance, and your spine’s will to live. As a single mom with three teenagers who ...
Art special 2025: Essential art that styles living spaces
Designers are experimenting with materials such as marble, brass and wood to create decor that isn’t just practical but also ...
Sarasota Magazine11d
Parker Converse Creates Custom Rocking Chairs That Last a Lifetime
Converse's varied career has included stints in finance and as a sea captain. Now he spends his days in his Sarasota studio ...
IEEE19d
Projection-Type Holographic Display With Observation Area Expanded Using Time-Division Reproduced Light Generation System
These displays consist of a projection lens and a transparent holographic optical element (HOE) with off-axis concave mirror phase distribution and allow the user to observe a large 3D image by ...