The eyes adapt quickly when going to the light -- emerging from a tunnel into the sun, say -- but going to the dark 'requires the regeneration of photo pigments, and that takes some time to reach full dark-adaptation,' says Dr. Sheedy. pigment:颜色,染料Adjusting to the dim light next...
negligible:微不足道的,可以忽略的 He adds that pixel density and screen resolution have reached the point at which the eye doesn't know which it is seeing. So if reading a printed book in dim light is fine, so is reading a Kindle or iPad. Moving from Dark to Light The eyes adapt qui...
On moonless nights, why should you look at stars from the side of your eyes rather than directly? Why are freckles more visible when you take a picture of skin with a camera that filters out all light except ultraviolet (UV)? Which structures of th...
aI don't have our e-mail access, please send out what attached for those people to come this Sunday. Please also add up proper letter head and foot so as telephone number. 我不得以进入我们的电子邮件,请派出什么为那些人附有这星期天来。 也请把适当的信件头和脚加起来至于电话号码。[translate...
amissing guide hole on carrier tape 缺掉指南孔在载体磁带[translate] ayou raid you didn\'t want to see me get hurt ,so does that mean you closed your eyes when I cried? 当我哭泣,您袭击您didn是否\ ‘t想要看我得到创伤,那如此意味您闭上了您的眼睛?[translate]...
If you happen to love brown, you did so as soon as you opened your eyes or at least as soon as you could see clearly. A yellow room makes us feel happier and more comfortable than a dark green one; and a red dress brings warmth and gladness to the saddest winter day. Light and ...
It comes in the form of light or heat. People have used solar energy for thousands of years. The sun’s energy can be used to heat water and even food. If you own a magnifying glass, your parents have probably warned you not to leave it in the sun. Solar energy can actually make ...
In the wild, many cats hunt at night because their eyes are designed for low light. Your cat can’t see bright colors such as red and green. But it picks up more shades of blue, yellow, and gray than humans do. W: And why do cats give dead birds to their owners? M: When your...
making its way into mainstream media. I’ve been interested in testing an at-home LED mask to understand the hype and see if it really works. I settled on theCurrentbody LED Light Therapy Face Mask, which seems to be one of the most popular, with thousands of reviews to back ...
The AF assist light is only active until the focus is locked, and that is before the image is taken so the harshness would never be visible in the image. The reason why Prophoto or Godox or any other 3rd party flash maker never made a flash with green LED light is because Nikon is ...