https://padlet.com/3103831/4gqh7an64gsi Created by Sam Green en-us 2017-04-25 18:06:35 UTC 2025-12-31 02:04:32 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Lightdecrease.png 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168195547 ^{X-rays have a higher frequency than ultraviolet rays and a lower frequency than gamma rays.} ]]> 2017-04-25 18:09:00 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168195547 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168204126 2017-04-25 18:36:08 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168204126 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168204646 2017-04-25 18:37:22 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168204646 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168205416 ^{The wavelengths of an x-ray wave range from 0.01 to 10 nanometers.}]]> 2017-04-25 18:39:38 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168205416 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168262438 ^{The frequency of an x-ray wave ranges from 3x10^16 to 3x10^19 Hz.}]]> 2017-04-26 01:33:13 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168262438 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168263000 ^{X-ray waves were supposedly discovered by a scientist named Wilhelm Roentgen.}]]> 2017-04-26 01:38:49 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168263000 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168263742 ^{The waves have a very high energy level called ionizing radiation. This can  cause radiation sickness or radiation-induced forms of cancer.}]]> 2017-04-26 01:46:06 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168263742 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168264030 Radiation graphs show us problems that we can not see with the naked eye. X-rays are also used to kill all different types of cancer cells during radiation therapy]]> 2017-04-26 01:49:12 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168264030 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168264615 2017-04-26 01:54:50 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168264615 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168264778 ^{Hard X-rays -
Hard x-rays wavelengths are lower than 0.2-0.1 nm.
Soft X-rays - 
Soft x-rays have wavelengths between 10-0.1 nm.}]]> 2017-04-26 01:56:36 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168264778 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168265215 ^{These two types of waves are useually determined by the source which they come from. X-rays come from the elctrons in the atom while the gamma ray comes from the nucleus.}]]> 2017-04-26 02:01:24 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168265215 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168265438 2017-04-26 02:03:53 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168265438 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168265618 2017-04-26 02:05:31 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168265618 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168266227 2017-04-26 02:11:44 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168266227 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168266627 2017-04-26 02:15:23 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168266627 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168267211 2017-04-26 02:20:37 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168267211 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168268028 ^{Doctors use many different waves, including x-rays, CT, and PET,  in order to create an image that will help doctors find problems. These waves not only help identify the problem, they also help treat it in some cases involving cancer or other illnesses.}]]> 2017-04-26 02:28:28 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168268028 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168269885 ^{X-rays waves can be sent through buildings or other structures so that we can see places that may be hard to see.  The machine used is similar to the one used in medicine, but it is much more powerful. This process can be used to spot defects or abormalities in buildings, helping prove if they are safe or not.}]]> 2017-04-26 02:50:18 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168269885 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168270246 2017-04-26 02:54:45 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168270246 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168270300 ^{When your bag is being checked at the airport, it is going through an x-ray machine similar to the one used to scan buildings. It is a non-invasive way for the security officers to check what you are bringing with you on your travels, and if it is safe or not.}]]> 2017-04-26 02:55:27 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168270300 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168270657 2017-04-26 02:59:53 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168270657 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168270703 2017-04-26 03:00:47 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168270703 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168270762 2017-04-26 03:01:35 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168270762 3103831 https://padlet.com/3103831/4gqh7an64gsi/wish/168270813 ^{X-ray waves are also used to help sterilize and alter food packaging. The waves kill bacteria and viruses. The DNA and RNA of the food packaging is changed by the radioactivity, preventing them from reproducing the bacteria. Because x-ray waves use electrons and not neutrons, they products are still safe to use.}]]> 2017-04-26 03:02:17 UTC https://padlet.com/3103831/4gqh7an64gsi/wish/168270813