90dB Rijke tube in testing

ساختنی This video shows early tests of one of the Rijke tubes we made for Derby Mini Maker Faire 2016.Noise is generated without moving parts due to a

لینک های دانلود: دانلود کیفیت 270p | دانلود کیفیت 360p | دانلود کیفیت 720p |

Space top 5: Effects of space on the human body

sara gravitybug In 2015 NASA astronaut Scott Kelly and Roscosmos Cosmonaut Mikhail Kornienko will embark on a yearlong mission on the International Sp

لینک های دانلود: دانلود کیفیت 270p | دانلود کیفیت 360p |

What Are The Green Chemistry Principles - Design for Degradation | Chemistry for All | FuseSchool

One D AF Learn the basics about Green Chemistry - Principle 10, as a part of environmental chemistry.On a global scale, a lot of waste is produced. Un

لینک های دانلود: دانلود کیفیت 270p | دانلود کیفیت 360p | دانلود کیفیت 720p |

Why Do We Get Nervous?

زنگ زبان What causes those butterflies in your stomach?DAILY EPISODES, answering your burning questions.Watch 5 episodes before anybody else: http://b

لینک های دانلود: دانلود کیفیت 270p | دانلود کیفیت 360p | دانلود کیفیت 720p |

The Science of Appetite - Beating Overeating

زنگ زبان TWEET IT - http://clicktotweet.com/MsuEyWant to lose weight but can't stop eating? There's a reason for that. Find out how you can

لینک های دانلود: دانلود کیفیت 270p | دانلود کیفیت 360p | دانلود کیفیت 720p |