Answer:
Packaging that changes color if the product inside is expired.
A water-filtering straw.
A pancake printer.
A mat with a built-in alarm clock.
A pendant that turns speech into text.
A toothbrush that cleans your teeth by itself.
"Smart" glasses.
A glass that turns water into wine.
The map attached is a world climate map.
Let's analyze it to forecast which regions would be less populated.
It can be regarded how the areas which are coloured in red represent very arid desertic zones, were there is no vegatation and animal or human life almost do not exist. These zones, together with the two areas depicted in white, the South and North Poles, would be the regions that are likely less populated due to their extreme weather conditions.
I think the least ambitious out of the all would probably be --Augustus Caesar-
Explanation:
The engine consists of a fixed cylinder and a moving piston. The expanding combustion gases push the piston, which in turn rotates the crankshaft. ... After the piston compresses the fuel-air mixture, the spark ignites it, causing combustion. The expansion of the combustion gases pushes the piston during the power stroke.Nov 22, 2013
Its been a while since I did this topic, but I believe it was mostly because under communism there was little work for intellectuals, so they were often the ones who left the country. This resulted in a 'brain drain', a lack of knowledgable people. I seem to remember reading about the entire maths department of a university just up and leaving at one point. You could also argue that it was damaging for the image of communism if so many people were trying to leave.