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Here’s how to DIY safe viewing glasses. Brittany Miller. April 8, 2024 at 9:28 AM. On Monday 8 April, ... The best (and worst) states for income tax. Finance. 24/7 Wall St.
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Smartglasses or smart glasses are eye or head-worn wearable computers. Many smartglasses include displays that add information alongside or to what the wearer sees. Many smartglasses include displays that add information alongside or to what the wearer sees.
In the months leading to the solar eclipse of August 21, 2017, counterfeits of light-filtering glasses for solar eclipses began proliferating. Effective eclipse glasses filter visible, ultraviolet, and infrared light. [4] The eye's retina lacks pain receptors, and thus damage could occur without one's awareness. [5] [6]
Looking at eclipse without proper glasses is dangerous. Luckily, there are DIY options for those who forgot to order a pair in time for April 8.
The "silvering" on infrared instruments is usually gold. It has the best reflectivity in the infrared spectrum, and has high resistance to oxidation and corrosion. Conversely, a thin gold coating is used to create optical filters which block infrared (by mirroring it back towards the source) while passing visible light.
One Philadelphia woman didn't need an instruction manual to make her own solar specs -- all she needed was some tape and a couple pairs of normal shades.
A pair of CrystalEyes shutter glasses Functional principle of active shutter 3D systems. An active shutter 3D system (a.k.a. alternate frame sequencing, alternate image, AI, alternating field, field sequential or eclipse method) is a technique for displaying stereoscopic 3D images.