And what country can preserve its liberties if their rulers are not warned from time to time that their people preserve the spirit of resistance? Let them take arms. The remedy is to set them right as to facts, pardon and pacify them. What signify a few lives lost in a century or two? The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.
The alloy is the hardest known metallic substance compatible with living tissues, say US physicists.
The material is four times harder than pure titanium and has applications in making longer-lasting medical implants, they say. It may also have applications in the drilling industry, the sporting goods industry and many other potential fields, she added.
But, how brittle is it? Some metals that are very hard are also very brittle, which would not be a good thing in, say, a hip joint.