Search results for “free-to-air TV”

How do air filters work?

How do filters remove particles from the air and reduce exposure - especially the small ones? As this Risk Bites primer shows as it dives into the science of aerosol particle capture, it may not be how you think! Air filters are an important tool for protecting health, improving air quality, and

Do You Have Free Will?

We break down the top theories around free will. Support us on Patreon: https://www.patreon.com/LifeNogginStudios?ty= Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin Click here to see more videos: https://alugha.com/LifeNoggin Life Noggin is a weekly animated education

How Wikipedia contributes to free knowledge

How does Wikipedia contribute to free knowledge? On January 15, 2016 Wikipedia turns 15 years old! Old (or maybe young?) enough to become the largest collection of free and collaborative knowledge in human history! Learn how YOU can contribute to the movement and become a part of the amazing communi

How to Construct an Air Horn

Follow us on Twitter!! http://twitter.com/householdhacker Live: http://www.ustream.tv/channel/household-hacker-live Today we'll show you how to make an earsplitting air horn using these materials: 1 Balloon or Latex Glove 1 Medicine Bottle 1 Rubber Band 1 Straw or cylindrical hollow object that ca

How to find radioactive substances in the air

There are various methods for measuring radioactivity in the air. With the help of trace analysis, even very low concentrations of radioactivity in the air can be detected. In the video, Jacqueline Bieringer explains how to detect radioactive substances in the air. Original: "Federal Office for Rad