The focus-enhancing device is still priced at $249, but the first 3,000 units will be discounted to $199.

Split-flap displays are a great, low-power way to display text to a wide audience. Compared to other display technologies ...

Red light therapy has long been used to reduce inflammation and improve skin texture, which is why LED devices are having a moment—you can reap some of the benefits without booking a professional ...