What confusable-vision does
A wall currently separates the Nant Clydach tributary from the street, but the environment body, Natural Resources Wales, said building a raised flood defence wall was "not economically viable".
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Ofcom, the online regulator, said it could now apply to the courts to demand internet service providers block access to the site in the UK. This will depend on how the site, which also faces fines, responds over the next 10 days.
Despite the headline, this isn't really a story about superconductivity—at least not the superconductivity that people care about, the stuff that doesn't require exotic refrigeration to work. Instead, it's a story about how superconductivity can be used as a test of some of the weirder consequences of quantum mechanics, one that involves non-existent particles of light that still act as if they exist.
Several properties of agar render it a superior jelly. Agar isn’t broken down by microbial enzymes apart from a few species (including bacteria living in marine and freshwater habitats), and it dissolves well in boiling water, making it easy to sterilize. The jelly doesn’t react with the ingredients of a broth, whose composition can be adjusted to meet the nutritional requirements of different microbes, and sets to a firm gel without the need for refrigeration.