Its an alternative to brushing your teeth. It would be something like a minty, rough textured soft candy thing. The same idea as mouthwash, only you can use your tongue to push it around and eventually just spit it out. It would need to be engineered with similar cavity and plaque fighting technology to toothpaste. Maybe even make it swallow-able for kids. Then they would hopefully be more prone to brush on their own.
Electronic voting. Yea, even internet voting. Really shouldn't be impossible. Tom Scott says this is a terrible idea, but I don't think it's so unsolvable. The ways to cheat are: - stuffing the ballot box with bogus votes - counting or recording the votes bogusly - voting more than once or voting for someone else Voter confidentiality must be preserved. Here's my solution. - every voter must authenticate with some non-government system that 1) ensures user ID uniqueness 2) contains a method for contacting the voter (can be a form obscuring contact details) 3) creates a random code which is not retained by the system. This is easily done by Google, Facebook, or any tiny NGO. They would need to register and be subject to audit. - when a user votes, the data is logged in two public registers. 1) a voters register showing the person's user ID (or a unique variant from the authenticator) 2) a vote register showing the random code and how they voted
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