1. Powered Flight 2. Bending Light 3. Traveling Greater than 300mph 4. Transparent Aluminum 5. Artificial Diamonds
All of these "Feats" of human ingenuity were once thought to be impossible by the physics standards of the day.
Physics and our understanding of it, continues to evolve every moment we live.
To say the words "It Cannot Be Done" after seeing all we have done already... Is kind of foolish.
We will learn how to accomplish this feat, or one very similar that accomplishes the same goal, Eventually...
That, is the power of Consciousness My Friends.
All hail the thinking, reasoning, Problem Solving, Human Consciousness!
Hold up there, turbo. Transparent aluminum? Surely you're not serious. And don't post a link to something about aluminum oxide or other ceramics.
Since the summary links you to a stupid news article and not the guides themselves, here is the ACLU Guide and EFF Guides here.
The EFF guide you linked has not been updated yet to reflect the Riley decision. Some of those answers need to be changed because they are incorrect now. The ACLU "Know Your Rights" manual does not appear to have been updated either, but it simply doesn't address the issue of cell phone searches incident to arrest at all.
A weapon intended for target practice, sport, or self defense has absolutely no need for a flash suppressor. This type of "feature" is intended for covert use of the weapon, which I'd argue falls under what most would categorize as an assault weapon.
Aside from your apparent lack of knowledge about what different types of weapons and accessories are used for, your general premise is mostly correct. Flash suppressors are more useful in actual combat than in most other situations. That type of use is exactly what the Second Amendment explicitly protects. Target practice, sport, hunting, and defense from crime are merely secondary byproducts of having a "well regulated"* militia.
* "regulated" meant "equipped" at the time it was written - see DC v. Heller for a detailed analysis.
A list is only as strong as its weakest link. -- Don Knuth