Showing 301–320 of 1,000 ranked alternatives.
European Space Agency
Search targets, coordinates, or observations with data
Access data products from the Space Observatory. Search by target name, sky coordinates, or observation identifier. View processed scientific data and metadata. Download and analyze observational results.
Thomas Swift
Lake Mendota conditions for water recreation.
The app displays atmospheric conditions and water temperatures for Lake Mendota. It provides near real-time details including wind, air temperature, and water temperatures from the surface to 66 feet deep.
FTW ROBOTICS LLC
Explore STEM lessons and activities
Explore flight theory, mechanical design, and coding basics through interactive lessons. Build and test virtual aircraft models. Simulate flight scenarios and analyze performance data. Collaborate on projects and share progress with educators.
Forwa Elade Wunde
Quiz and learn engineering topics
Learn about engineering through interactive quizzes on topics like introduction to science, hardware vs. software fundamentals, and career opportunities.
Curtis Netterville
View real-time weather data
View real-time weather data including temperature, humidity, wind speed and direction, rainfall, UV index, dew point, and barometric pressure. Monitor up to two weather stations. Access historical data and alerts.
Othman Alzahrani
Explore in real-time
View phases, liberations, and apogee/perigee in real-time. Adjust the time controller to navigate past or future dates. Access detailed astronomical data and observe position relative to Earth and the sun.
Bernhard Klingenberg
Bootstrap samples and permutation tests
Calculate bootstrap confidence intervals and permutation P-values for means, medians, proportions, correlation coefficients, slopes, and chi-square tests. Explore preloaded datasets interactively to understand statistical methods.
Maxim Murphy
View sky simulations and track sunrise/sunset times
Displays a real-time sky simulation showing current weather conditions. Tracks sunrise and sunset times with countdowns. Includes a medium-sized widget for quick access on the home screen.
Carlos Anderson
Capture leaf images, measure area, export data
Measure leaf surface area with high accuracy using a mobile device. Log measurements and export data as CSV. Share files via AirDrop, email, or other methods. Requires a white background with reference markers.
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