Rachael L. Thomas – författare
Visar alla böcker från författaren Rachael L. Thomas. Handla med fri frakt och snabb leverans.
46 produkter
46 produkter
Inbunden, Engelska, 2018
403 kr
Skickas inom 3-6 vardagar
Inbunden, Engelska, 2018
403 kr
Skickas inom 3-6 vardagar
Inbunden, Engelska, 2018
403 kr
Skickas inom 3-6 vardagar
Inbunden, Engelska, 2018
416 kr
Skickas inom 3-6 vardagar
Inbunden, Engelska
416 kr
Skickas inom 3-6 vardagar
Inbunden, Engelska, 2019
403 kr
Skickas inom 3-6 vardagar
Inbunden, Engelska, 2019
403 kr
Skickas inom 3-6 vardagar
Inbunden, Engelska, 2020
417 kr
Skickas inom 3-6 vardagar
Inbunden, Engelska, 2021
430 kr
Skickas inom 3-6 vardagar
Inbunden, Engelska, 2020
403 kr
Skickas inom 3-6 vardagar
Inbunden, Engelska, 2021
416 kr
Skickas inom 3-6 vardagar
E-bok
PDF, Engelska, 2019644 kr
Läs direkt efter köp
Did you know robots beat humans to space by 10 years? Or that space robots can perform tons of cosmic tasks too dangerous for astronauts? Learn more about these amazing devices through cool facts, photos, and more! Read all about robots that have explored unknown depths of space, those that look humanlike and interact with astronauts, and plans for future space robot missions. Discover the amazing technology behind these bots and their impact on space exploration!
E-bok
PDF, Engelska, 2019650 kr
Läs direkt efter köp
Did you know scientists perform hundreds of experiments in space each year? Or that these scientists have brought animals, plants, and more to the cosmos for study? Learn more about scientists in space through out-of-this-world facts, photos, and more! Read all about astronauts growing food in space, studying spiders on spacecraft, and searching for alien life. Examine cosmic exploration through the eyes of inquisitive space scientists!
E-bok
Engelska, 201970 kr
Läs direkt efter köp
Did you know robots beat humans to space by 10 years? Or that space robots can perform tons of cosmic tasks too dangerous for astronauts? Learn more about these amazing devices through cool facts, photos, and more! Read all about robots that have explored unknown depths of space, those that look humanlike and interact with astronauts, and plans for future space robot missions. Discover the amazing technology behind these bots and their impact on space exploration!
E-bok
Engelska, 201969 kr
Läs direkt efter köp
Did you know scientists perform hundreds of experiments in space each year? Or that these scientists have brought animals, plants, and more to the cosmos for study? Learn more about scientists in space through out-of-this-world facts, photos, and more! Read all about astronauts growing food in space, studying spiders on spacecraft, and searching for alien life. Examine cosmic exploration through the eyes of inquisitive space scientists!
Häftad, Engelska, 2019
103 kr
Skickas inom 11-20 vardagar
Häftad, Engelska, 2019
110 kr
Skickas inom 11-20 vardagar
E-bok
PDF, Engelska, 2021644 kr
Läs direkt efter köp
Blockchain is the powerful technology behind popular cryptocurrencies like Bitcoin. Find out how blockchain helped create these digital currencies that are not controlled by banks or governments. Then read other creative uses of blockchain and the role cryptology, the science of secret communication, plays in the system. Test your own cryptology skills with a hands-on activity.
E-bok
PDF, Engelska, 2021650 kr
Läs direkt efter köp
Dive into the secret history of . . . secrets! Cryptology is the art and science of secret communication, and its purpose is to protect precious information and keep people safe. Learn about its building blocks: ciphers, codes, and keys.People have wanted to hide messages and important information for millennia. Read how history''s coolest codes and ciphers have progressed from belts and sticks to rotating disks and supercomputers. Use your cryptology skills to design your own secret cipher. And learn about the smart people who built and broke the strongest secret systems.
E-bok
PDF, Engelska, 2021644 kr
Läs direkt efter köp
Computers and the internet forever changed how we communicate messages and other information. They also created new challenges for how we keep that communication private. That is where digital cryptology, the study of secret digital communication, comes in. Learn how professional cryptologists work to outsmart hackers and cyberterrorists trying to access private information. Then try it yourself with a hands-on digital cryptology activity!
E-bok
PDF, Engelska, 2021644 kr
Läs direkt efter köp
Imagine having a job that has been around for thousands of years. People called cryptologists have been making—and breaking—codes almost as long as humans have written things down. Read about the historical code makers and breakers who protected their countries by coding and decoding messages for their governments, and the modern cryptologists who keep emails, texts, and online purchases secure.
E-bok
PDF, Engelska, 2021605 kr
Läs direkt efter köp
In wartime, unbreakable codes help armies win battles. And what better code than an advanced language. The Navajo language was key to the success of the Battle of Iwo Jima during World War II. Read how Navajo Marines risked their lives to translate secret messages during World War II. Learn what makes the Navajo language ideal for encoding messages and the special vocabulary the code talkers used in battle. Finally, try your hand at translating messages yourself.
E-bok
PDF, Engelska, 2021644 kr
Läs direkt efter köp
Sometimes, the best hiding place is right in plain sight. Find out about steganography, the practice of concealing messages right under others'' noses. See how it links with cryptology, the science of secret communication, and how the two have been used in some of history''s biggest moments. Learn about invisible inks, the Cardano Grille, the use of microdots in WWI, and the butterfly maps of Lord Baden-Powell. And follow steganography into modern day with a hands-on activity and stories of hidden files and cybercrime.
E-bok
Engelska, 2021138 kr
Läs direkt efter köp
Blockchain is the powerful technology behind popular cryptocurrencies like Bitcoin. Find out how blockchain helped create these digital currencies that are not controlled by banks or governments. Then read other creative uses of blockchain and the role cryptology, the science of secret communication, plays in the system. Test your own cryptology skills with a hands-on activity.
E-bok
Engelska, 2021138 kr
Läs direkt efter köp
Dive into the secret history of . . . secrets! Cryptology is the art and science of secret communication, and its purpose is to protect precious information and keep people safe. Learn about its building blocks: ciphers, codes, and keys.People have wanted to hide messages and important information for millennia. Read how history''s coolest codes and ciphers have progressed from belts and sticks to rotating disks and supercomputers. Use your cryptology skills to design your own secret cipher. And learn about the smart people who built and broke the strongest secret systems.
E-bok
Engelska, 2021140 kr
Läs direkt efter köp
Computers and the internet forever changed how we communicate messages and other information. They also created new challenges for how we keep that communication private. That is where digital cryptology, the study of secret digital communication, comes in. Learn how professional cryptologists work to outsmart hackers and cyberterrorists trying to access private information. Then try it yourself with a hands-on digital cryptology activity!
E-bok
Engelska, 2021138 kr
Läs direkt efter köp
Imagine having a job that has been around for thousands of years. People called cryptologists have been making—and breaking—codes almost as long as humans have written things down. Read about the historical code makers and breakers who protected their countries by coding and decoding messages for their governments, and the modern cryptologists who keep emails, texts, and online purchases secure.
E-bok
Engelska, 2021130 kr
Läs direkt efter köp
In wartime, unbreakable codes help armies win battles. And what better code than an advanced language. The Navajo language was key to the success of the Battle of Iwo Jima during World War II. Read how Navajo Marines risked their lives to translate secret messages during World War II. Learn what makes the Navajo language ideal for encoding messages and the special vocabulary the code talkers used in battle. Finally, try your hand at translating messages yourself.
E-bok
Engelska, 2021138 kr
Läs direkt efter köp
Sometimes, the best hiding place is right in plain sight. Find out about steganography, the practice of concealing messages right under others'' noses. See how it links with cryptology, the science of secret communication, and how the two have been used in some of history''s biggest moments. Learn about invisible inks, the Cardano Grille, the use of microdots in WWI, and the butterfly maps of Lord Baden-Powell. And follow steganography into modern day with a hands-on activity and stories of hidden files and cybercrime.
E-bok
PDF, Engelska, 2022598 kr
Läs direkt efter köp
With X-rays, doctors detect problems human eyes can''t see. X-rays are a form of invisible radiation. This powerful medical technology helps experts look inside the body and even treat illnesses. But early on, X-rays caused harm too, as people used them without enough protection.This graphic history covers the discovery of X-rays, the development of safety standards, and the rise of more powerful and precise X-ray machines. Find out how modern doctors create digital images of the inner body—even 3D images of our brains!