Learn Objective-C with structured tutorials covering basics and advanced concepts. Explore language fundamentals, object-oriented principles, and integration with Apple's Cocoa and Cocoa Touch frameworks.
Track positions in real-time with precise, instant calculations. View over 5000 satellites and their current locations. No offline sync available due to data volume and frequency updates.
The app allows users to find the location of pipelines operated by Marathon Pipe Line LLC. Users can view pipeline details, access emergency response guidelines, and share their location on the pipeline map.
Learn Syriac (Assyrian/Aramaic) language through interactive storytelling. Listen to and engage with characters from the tale "." Explore Eastern and Western dialects with audio lessons and character interactions.
Access resources anytime, anywhere. View events, recommended reads, and digital materials. Place holds, renew books, reserve study rooms, and find locations and hours.
Calculate cutting parameters for drills, taps, endmills, and ballnose tools. Determine tap drill sizes for inch and metric cut and form taps. Compute suggested tap drill sizes for NPT and NPS threads. Convert decimal equivalents to fractional values.
Explore 3D models of celestial objects like black holes and nebulae. Navigate virtual environments of Mars and Europa. Rotate and interact with high-resolution spacecraft scans. View detailed images of distant galaxies and planets.
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.