Nothing special. Image: 20,000 years. This one shows some changes, but they are not too major yet. Heads are a bit bigger to accommodate larger brains, and those yellow rings that you see in the modelsâ eyes are special lenses that act kind of like Google Glass does today, but in a much more powerful way.othing special. Image: 20,000 years. This one shows some changes, but they are not too major yet. Heads are a bit bigger to accommodate larger brains, and those yellow rings that you see in the modelsâ eyes are special lenses that act kind of like Google Glass does today, but in a much more powerful way.
1 The more sophisticated registers are usually part of a computerized point of sales system, which can cost anywhere from $1,500-$20,000, depending on the level of sophistication.
Typical costs: An AED or automatic external defibrillator costs between $1,200 and $2,500, according to the American Heart Association and the State of New Hampshire . The cost varies based on the features of the AED, which can include voiced instructions or the ability to perform an EKG, a test that measures heart function, during use.