“I’m a Keep Rising. I’m a Keep Going Forward, Regardless”

Should LOGO Keep Going FORWARD 1?

LOGO has been evolving in incremental steps for 40 years. This has resulted in steady progress but some regions of the space of all programming languages for children cannot be reached without passing through unacceptable intermediate designs. What are the ultimate aims of LOGO? What criteria and aesthetics should be used in determining which areas of the design space are most promising? What w...

Can you keep a secret?

The characteristics of a method for measuring cyclic AMP binding proteins in cytosols of human breast cancer are described. Using the assay, binding proteins were demonstrable in all of 100 tumour cytosols. Levels of binding in individual tumours varied from 0.8 to 15 pmol mg-1 cytosol protein (mean value 5 pmol mg-' cytosol protein) and the dissociation constant ranged from 0.5 to 5.2 x 10-8M ...

Audit logs: to keep or not to keep?

Bio: Christopher Wee is a Researcher in the Computer Security Group at the University of California, Davis, Computer Science Department. His current research interests are intrusion detection, security auditing and Formal policy specifications. Chris has participated in three intrusion detection systems projects: DIDS, a LAN intrusion detection system, GrIDS: a wide-area IDS, and LAFS: a file-s...

Why keep climate records - and how to keep them

For all our concern about the damage caused to art by the environment, there are no data which allow us to connect measured environmental variables with the rate of deterioration of the art in exhibition or storage. Recent proposals for rating the suitability of spaces and the vulnerability of individual objects require a durability of electronic data which is very unlikely to be achieved. This...

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