Asynx Planetarium is a easy to use planetarium program and solar system simulator. It can display the night sky from any location on earth and between the year 1760 and 9999. Perfect for students, kids and astronomy beginners. Try it, it's free !

Audio Spectrum Analyzer Real-time FFT, OscilloScope, Frequency counter, voltmeter, noise and distortion meters, phase shift meter.

Two-channel multi-tone audio frequency sinusoidal & noise signal generator is intended for adjusting and measuring parameters of audio equipment.

Wide eyes develop speed reading rate. All texts contain 50% of garbage. Try to remove 50% of letters and you still will be able to read the text. Try to understand this simple idea and you speed reading will go up. Human mind can read words like Chin

Letter perception. To access this game click on the Go arrow at bottom right. Notice the row of boxed numbers to the right Now look at the circled number in the middle of the rotating circle. Whatever that number is notice how many other

Digital image analysis and image manipulation. Analyze image content: automatically capture objects, find their locations and measurements, save the data to Excel. Simplify the image by removing objects as desired.

This program visualizes pathways. The user can display any kind of quantitative data from gene and protein experiments directly within the pathways (colours represent the value). Automatic pathway update from KEGG, BioCarta and GenMAPP.

Look first at the red dot in the middle of the screen. Try to look at the (whole) picture with a diffused view. When you see a pair of boxes of the same color, select both of them by left clicking on the matching box in the right row of colored b

RadioWORKS: A tool for calculating radio wave properties. Get frequency info, such as free-space wavelength, antenna lengths, band info, propagation methods, etc. Calculate path loss using different models. Predict power / range requirement changes.

The perfect solution for physics students and teachers everywhere, Physics 101 SE is the premier physics calculation tool, allowing you to focus on physics and not mathematical busywork by working with over 150+ equations and other features.