Wearing contact lenses can lead to dry eyes. Dry eye is a condition where your eyes cannot make enough tears to lubricate and nourish the eye. Symptoms may include burning, stinging, blurry vision, ...

P10 Pin → Arduino Pin nOE → D9 (Output Enable, active low) A → D6 (Row select A) B → D7 (Row select B) CLK → D13 (SPI Clock) SCLK → D8 (Shift clock) R_DATA → D11 (SPI MOSI) ...

Explore the science of lenses, from camera zooms to the human eye, and learn how curved glass shapes and focuses light. Reporter's notebook: House exodus threatens Johnson's grip on power as over 40 ...

With the Matrix Eye 2 and Matrix Eye 4, GLP launches its new Matrix Series, a modular LED blinder system that combines the classic tungsten look with the flexibility and efficiency of LED technology.

I recently drove the new 2026 Audi Q3 and was amazed by how well-put-together it was, especially for an entry-level crossover from a German luxury automaker. One of the features that stood out was the ...

Abstract: In this work, the effect of the measurement position on measurements of Hp(3) of a new active eye lens dosemeter prototype based on the Dosepix detector is examined. A comparison between ...

Stamp and line your eye for the perfect vintage cat eye! The quick vintage cat eye comes with two dual-ended eyeliner pens. Each pen includes a perfectly shaped wing stamp and a felt tip eyeliner to ...

Waveshare’s RP2350-Matrix is a Raspberry Pi RP2350A-powered LED matrix board featuring 64 RGB LEDs (8×8 RGB matrix), a built-in 6-axis IMU, and a Dout pin in case the user needs even more LEDs. The ...

If you wear contact lenses, you probably don't think much about them. But they're a relatively new invention -- in fact, the first disposable contact lens wasn't introduced until 1982. "We think of ...

When it comes to LED matrixes, building one is just the first step. Then you have to decide what to display on it. [panjanek] came up with a relatively flexible answer to this question, building an ...