Close the Settings window to save your changes.

Firefox is now listed as your default browser.

Click on Firefox in the dialog that opens with a list of available browsers.

Scroll down and click the entry under Web browser.

The Windows Settings app will open with the Choose default apps screen.

In the Set Default Programs window, select Firefox from the list of programs on the left and click.

It also provides easy access to a slider to fine-tune your color temperature. f.lux is an app that offers Night Shift-style brightness and hue adjustments depending on the time of day. Unfortunately, it isn't available on older devices, including MacBooks older than early 2015. You can disable Night Shift for specific apps, websites, and custom time periods. With macOS 10.12.4, Apple added Night Shift, which warms the color of your screen after sunset and before sunrise. Shifty was made to expand the capabilities of the built in Night Shift feature in macOS. The Set Default Programs window will open. To use Night Shift you need macOS Sierra 10.12.4, which is still in beta as I write this post.Any changes you've made will automatically be saved. If Firefox still isn't the default browser, see Setting Firefox as the default browser does not work - What to do.This article shows you how to make Firefox your default browser. If you have more than one web browser installed, any links that you click on will automatically open in your default browser. Many are familiar with the “rods and cones” that provide our visual capabilities, but the retinal ganglion cells containing melanopsin are sensitive to a wide range of “blue-green” frequencies around 480nm.Ī wide range of lights appear to be able to stimulate the circadian system in humans, and so while we refer to “blue light” in order to distinguish it from the light our visual system sees, it includes lights that appear green, blue, cyan, and even orange.ĭid you miss a post? Check the Eye On Apple home page to get caught up with the latest news, discussions and rumors about Apple.Free photo editing for mac os x. The science that explains these new systems has accelerated over the last 20 years, with the discovery of a new photopigment in the eye, called Melanopsin, in 1998. We know that night-time exposure to blue light makes people more alert and also affects their circadian timing. Now if you haven’t used Flux or Night Shift and don’t understand why warmer colors are better for your sleep, see this article from the Flux site:

Night shift mac yosemite