There are reasons to run (or do any cardio) at lower intensities, and reasons to use higher intensities. Easy cardio is having a moment right now, so everybody is talkingabout doing more zone 2. Before heart-rate monitors were widespread, you had to judge what was “easy” by yourself,...
yet they see red as if it were black. They sense the orientation of polarized light. Their massive compound eyes give them an image made of hexagonal images, similar (but not quite) to the picture I made below, to the right. The honey...
When viewing medical images, one of the most important factors for accurate diagnosis is contrast. The higher the contrast, the more differences in shades our eyes are able to see. Most medical monitors aim to provide high contrast screens, which is certainly the first and most important way t...
The tiny polarized blinds, sometimes known as micro louvers, make it so that the contents of your computer screen are visible to you but not the person lurking to your left or right. The thinner the blind, the more that light can pass through for the intended user. A polarized plastic sh...