who make pretensions to science, and practical mechanics, it is certainly presumptive evidence that some of them ... roads. An invention to be successful must not only be new, but useful—an ...
But inventions must never be discovered by the ... After 1916 official photographers took pictures and films for the army. Some new cameras were small enough for personal use.
"Some may argue that the technologies the 'four new great inventions' are based on did not originate in China. That is true, but it is China that used the technologies to come up with the new ...
Thousands of patents are granted for new inventions every year ... made life easier, numerous inventions ended up being pointless, and some even dangerous. Intrigued to check out some bizarre ...
But 2007 was a mixed bag for new inventions - for every Amazon Kindle, there's a Windows Vista. Here are some of the products that have lasted from that year, and some that didn't quite stand the ...