The word comes from Old English from bold or botl. It means a structure to dwell within.

You have a number of choices. The simplest would be iron with a corrosion resistant coating such as paint. and by corrosion resistant I’m assuming you mean oxidation resistant.

Otherwise you have stainless steel or aluminum. Depending on your requirements you also have plastics and resins, but typically these get expensive and may not have the aesthetics for which you would be looking.

As I understand things you have generally two categories of plastics. Thermosets and thermoplastics. Thermoplastics lend themselves to be recycled, thermosets may or may not lend themselves to recycling. And of course, as each has its sets of material properties many things must be constructed of non-recyclable plastics in order to work properly.

P=0.5*W*H^2

W= weight of water M^3 = 999.72kg

H= height/depth of wall in meters

P= Pressure of wall in kg/m^2 at that height

• Destroys the plastic
• Release of chemicals/toxins
• The smell can be overpowering

Augmented Reality.

I feel that AR has a long way to go before the architecture field finds real use for the technology. First, we are basically talking about overlaying information on our field of view. Presumably in realtime.

Unless it could be used as a construction tool to help construction workers build buildings it becomes more of a presentation tool, and I’ve yet to see anything close to being accurate enough for use during construction.

As everyone has mentioned there is a lot that can change this answer.

Assuming you have a good connection with no splitting and at least 1/3 of the screw embedded:

#6 screw: 50lbs shear, 150lbs pullout

#8 screw: 60lbs shear, 180lbs pullout

#10 screw: 80lbs shear, 210lbs pullout

Firstly, let’s assume that you are using this as conduit.

Steel will offer greater protection against abuse and fire.

PVC tends to easier to work with , if your less familiar with conduit, and it is easier to make watertight.

Let’s start with definitions. Potential energy is the total energy that could be used. Works well for gravity and chemical energy. I’m going to assume you’re working with gravity examples. Kinetic energy is the total energy you are using right now or up to this point with in the confines of your example.

Imagine a fuel gauge. The full (the ‘F’) represents the highest your object will be in your example. The empty (the ‘E’) represents the lowest your object will be in your example. The gauge arm is the height of your object. The area between arm and the ‘F’ is your potential energy, and the area between the arm and ‘E’ is your kinetic energy.

So, they never mix. One is converted into the other dependent on your object’s height.

The stones will definitely last 500 years. Whether the structure will last in an identifiable form would depend greatly on how it was put together, and within the environment it was placed.

But if you assume the persons constructing the structure knew what they were doing, then most likely the majority, if the the whole structure, would likely last 500 years.