As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, sell user ...

Abstract: Nowadays, Java programming is used in a variety of application systems as a highly portable object-oriented programming language. To assist its self-studies by novice students, we have ...

Abstract: Motivated by DNA storage in living organisms, and by known biological mutation processes, we study the reverse-complement string-duplication system. We fully classify the conditions under ...

Have you ever heard of the aquahacking challenge? It’s a free program challenging students, researchers and professionals to safeguard the Great Lakes and Lake St. Lawrence. The launch of the ...