Prepare for Amateur Radio License exams by practicing questions from the updated Question Pool. Access a subset of questions in the Lite version. Purchase the full version for complete question coverage.
Johns Hopkins University Applied Physics Laboratory
Explore space missions and science instruments
Explore ’s mission with real-time imagery and a countdown. View spacecraft data, science instruments, and mission updates. Access educational resources, activities, and news articles. Sync with Apple Watch for quick updates.
Play a game where you help Squirrel Stella trapped birds by popping bubbles. Navigate through various environments like jungle, beach, and mountains. Collect support from animals like peacock and panda while avoiding poisonous snakes.
Teach children to solve puzzles by arranging objects. Encourage imaginative thinking through interactive storytelling. Improve attention by placing items precisely. Promote moral values by helping animals and completing tasks.
Through news-based lessons with 9,500+ articles across beginner, intermediate, and advanced levels. Study offline with downloadable content. Access a redesigned interface for better navigation. Take quizzes to test comprehension and track progress.
Access Catholic teachings, prayers, and liturgical resources. View Bibles in Douay-Rheims and Clementine Vulgate. Explore Baltimore Catechisms and Catholic doctrines. Track Mass readings from both Ordinary and Extraordinary Calendars.
Capture photos with durations from 1 to 30 seconds. Adjust settings manually. Preview images in real time. Save and share photos directly. No tripod required for stable shots.
Offers apologetics training resources for Christian leaders. Includes lesson modules on doctrine and worldview. Features discussion forums for peer interaction. Allows users to track progress through course completion.
Study for the New DMV with comprehensive manual access, voice narration, and road sign illustrations. Take quizzes and practice exams. Track progress and review answers for key concepts.
Explore destinations with detailed offline guides for museums, landmarks, and parks. Search for points of interest, read traveler reviews, and access maps and directions. Save favorite locations and receive notifications about nearby attractions.
Convert images to JPEG, JPG, or PNG formats. Support for multiple file types including HEIC, APNG, GIF, and WebP. Batch conversion of multiple images at once. Transparent colors in JPG conversions become white. No mention of name.