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A common way to learn Mandarin Chinese is from the bottom-up: pinyin, characters, words, sentences and finally conversations and stories. I believe you can

This website helps plan observations of the International Space Station transit events in front of the Moon and Sun.

Sporked is a source for expert, authoritative opinions on the best packaged foods you can possibly buy, either in a grocery store or online.

Learn to read and write Mandarin Chinese in context through real example sentences, images, songs, and videos.

StillTasty.com has comprehensive information about how long you can keep thousands of foods and beverages.

Open-source satellite tracker and pass predictor for Android, inspired by Gpredict - rt-bishop/Look4Sat

Share shopping lists with friends and family across any device.

Study the Cantonese language, with excellent info on tones, pronunciation, common phrases and thematic vocabulary

Overview of all upcoming rocket launches to space, including launch time, payload and destination.

How long does food last - past its printed date? Information on sell-by, use-by, best-by and other dates and how to calculate the actual shelf life of food

An open-source internal ballistics simulator for rocket motor experimenters - reilleya/openMotor

The Moon makes Earth more livable, sets the rhythm of ocean tides, and keeps a record of our solar system's history.

Keep track of your bar ingredients at Drinknation.com so you know what drink recipes you can make

1Checker is your ideal solution for proofreading. With spelling check, grammar check, style review, vocabulary enrichment, dictionary, translation, and more benefits all packed in one.

A MIDI utility for learning scales, chords, and more!

SDO is designed to help us understand the Sun's influence on Earth and Near-Earth space by studying the solar atmosphere on small scales of space and time and in many wavelengths simultaneously.

Keyboard Connect is a video conferencing platform designed for piano tutors. Share audio, video, sheet music, and MIDI data for a focused, engaging remote piano lesson.

Practice guitar scales, chords and arpeggios in minutes with our online guitar practice routine generator. Simply pick a guitar practice technique, and start your own customised guitar practice schedule!

Guitar, bass and drum tabs & chords with free online tab player. Play along with original audio. Huge selection of over a million tabs. No abusive ads. One accurate tab per song

Application for determining the moon curve at a desired time and place with interactive map.

At FaChords Guitar you’ll learn how to play the guitar with online lessons, interactive learning software, free ebooks and many other resources