%0 Journal Article %T Challenges ¨C An Open Access Scientific Journal for Research Proposals and Open Problems %A Shu-Kun Lin %J Challenges %D 2010 %I MDPI AG %R 10.3390/challe1010001 %X One of the unique features of several journals launched by me is that manuscripts regarding research proposals and research ideas are particularly welcomed for presentation. Now, a journal Challenges is created for this purpose. [...] %U http://www.mdpi.com/2078-1547/1/1/1