you can think of the Earth sort of like your car sitting out in a parking lot on a sunny day. You've probably noticed that your car is always much hotter inside than the outside temperature if it's been sitting there for a while. The sun's rays enter through your car's windows. ...
The other type of electromagnetic radiation I have to discuss is x-rays. X-Rays are produced when electrons dump a large amount of energy into a single photon, thus creating a very high energy light particle. X-Rays are a lot like regular light: they travel in straight lines, can be re...
One of the first X-ray photographs, taken by German physicist Wilhelm Roentgen, showing his wife's hand and wedding ring. It wasn't much later that people learned how dangerous prolonged exposure to X-rays could be. Hulton Archive/Getty Images When Wilhelm Rontgen discovered the X-ray i...
Read More Migratory Cues Arctic terns fly over icebergs Frans Lemmens/Getty Images Animals, of course, don't have calendars on their walls. What tells an animal when to migrate? Some species rely on photoperiod -- the amount of daylight in a given day. As the days get shorter, their...
Example:"I saw the roll of the waves roar up to the shore. The waves beat the beach over and over. Each wave was the same and yet every wave was unique. The sun was covered by a cloud that reflected the light so that rays spread out in all directions. The salt smell of the spra...
Read More Decoding the Fringes In a transmission hologram, the light illuminating the hologram comes from the side opposite the observer. HowStuffWorks The microscopic interference fringes on a hologram don't mean much to the human eye. In fact, since the overlapping fringes are both dark ...
By definition, you can't reason your way to anything really new, so you must journey into the unknown. 翻译: 如果你想发现新的事物,千里之行的第一步就是要学会与不确定性共存,并学会接受失败如常,因为寻找未知事物的风险...
to assist in diagnosing diseases more accurately and swiftly. For instance, AI is being used to interpret medical imaging, such as X-rays and MRIs, to identify anomalies that might be missed by the human eye. This technology not only improves diagnostic accuracy but also helps personalize treatm...
Assisting Cardiologists:During procedures, they anticipate the doctor’s needs, providing sterile equipment and monitoring vital signs of patients. They may also operate fluoroscopy machines, which use X-rays to visualize the heart and blood vessels. ...
Learn to read your histogram. I strongly suggest reading Understanding Histograms from www.luminous-landscape.com. WHAT DOES A PROPER HISTOGRAM LOOK LIKE? In the absolute sense, there is no right or wrong histogram since a histogram tells you the information about what is in a picture. It ...