Considering the Kalman Bucy Filter (KBF) from an engineering point of view it is always important to know in advance, before KBF implementation, which variables are practically "good" and which are "bad" observable and how long it will take to estimate all of them in the presence of measurement noise to some appropriate (not necessarily theoretically optimal) level.
If you can be practically good, you can ensure high levels of confidence in addition to real-time problem solving skills.
Big is practically a good unto itself, not to be confused with the relativistic notion of "scale," to which some old-fashioned professors of design still cling.
And voilà, our towel is practically as good as new!
And maybe there is something to be said, after the years of biscuit-shunning puritanism, for a less judgmental approach from a mortal whose name is practically twinned with "good".
m-AgSAE is practically non-toxic, possesses good mechanical stability and is easy to handle and activate and thus represents a suitable alternative to the hanging mercury drop electrode (HMDE).
Hence the highest good is practically possible only on the presupposition of the immortality of the soul, so that this, as inseparable with the moral law, is a postulate of pure practical reason" (ibid).. Kant's idea is not that we should imagine ourselves attaining holiness later although we are not capable of it in this life.
With all the hair coloring, blowdrying and flat ironing we're doing these days, having hair that looks good is practically pointless when it's actually unhealthy.
No one who walks the streets of Tripoli or Cairo today can understate the importance of that contribution, and President Obama is right, getting our graduates out early to make that contribution is practically possible and a good thing.
