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Test your engineering skills - Discover Engineering. Evolution MegaLab. Five Historic Female Mathematicians You Should Know. Ten Historic Female Scientists You Should Know. Why there is no such thing as empty space. MacGregor Campbell, contributor Could the universe have appeared out of nothing?

Why there is no such thing as empty space

In a previous video, we argued that typical notions of 'something' and 'nothing' don't really make sense according to modern physics. But many commenters objected to this idea, calling it a semantic game. Culture Vaults : Resonant Frequencies and the Human Brain. One of the great revelations of 20th century science is that all existence can be broken down into simple wave functions.

Culture Vaults : Resonant Frequencies and the Human Brain

Every photon, energy emission, and elementary particle rings with its own unique wave signature. When we see a color, we are actually seeing a distinct frequency of visible light. When we hear a sound, our eardrums are actually being vibrated by subtle waves in the air molecules around us. Engineering. ‪Chaîne de FlowScience‬‏ FLOW-3D has many applications for the hydraulics industry, including modeling fish passages, dam breaks, spillways, avalanches, hydroelectric power and other water and environmental engineering challenges.Users can increase the capacity of existing infrastructure in hydropower plants, develop novel approaches to fish passages, design intakes that minimize head loss, develop improved forebay designs and tailrace flows, analyze scour and deposition and evaluate air entrainment.

‪Chaîne de FlowScience‬‏

For more information about the many applications of FLOW-3D for the water & environmental industry, visit. Test your engineering skills - Discover Engineering. PhET: Free online physics, chemistry, biology, earth science and math simulations. Electricity Explained - Animations and simulations to teach electricity. GCE ELECTRONIC CIRCUITS. AIM HETM. Virtual Machine Shop. EPE "Basic Soldering Guide" Types of Iron?

EPE "Basic Soldering Guide"

The Art of Soldering "Cold Soldering" - better than a traditional iron? Read our full review. Gas Soldering Iron review (legacy product) How to De-solder Desoldering Photo Gallery & Black Museum of Bad Soldering Electronics Soldering Guide Photo Gallery Gas Soldering Iron Review: Read how typical gas soldering irons work and see our full online view with photographs. (Legacy product.)