Recent content by Roberto Teso

Sicilico mean a quarter of an ounce, for Romans, I now it's a mass unit, not a lenght, but this is one of the translation currently of per centenos pedes sicilico, using sicilico to mean a quarter of something. Gradient varies for different climate and many other reasons, Pliny suggest to use a...

Here is where you can read the full text of De Architectura: http://thelatinlibrary.com/vitruvius.html The specific topic is described in the eighth book, sixth chapter, first paragraph: Latin: English: For the calculation of the slope the Romans used two instruments, the chorobates, of...

So if U-235 accidentally collided with U-233 they could have reached critical mass! And if U-238 had been involved as well this would have become the (P)U-239 ☢️

For now I have not seen any flight records from any of these hypersonic weapons, while I have seen all the difficulties of the attempts made with experimental vehicles (X-43, X-51) simply trying to reach and hold a hypersonic regime. Sure, I don't think this is the crux of the matter, but the...

To return to the subject, while I have several doubts about the feasibility of large and maneuverable hypersonic weapon, for small weapons it now seems to become a reality. The Hypersonic Revolution Is Transforming Snipers Into Super Hunters

Because the word semester comes from the Latin semestris, made up of sex, the number six, and mensis months, thus indicating half a year and not half of any other time unit. Source: https://treccani.it/vocabolario/semestre/ For any not italian, Treccani is our greatest encyclopaedia...

Using a transparent OLED tv, like LG's 55EW5F-A or 55EW5TF-A, you can display any photo you like without any other equipment, or you can make it dynamic, with a computer where you run Celestia, or any other planetarium software, and interact via touch. Using it in portrait mode it should be...

Appear to be a salt efflorescence, nothing unusual or strange.

I would like to share with you all an ingenious work that has been developed here in Italy, an emergency mask for hospital respirators made in very ingenious way, you can find all the instructions (italian and english) here: EASY COVID 19 I hope as soon as possible to find a similar method to...

Google can be your best friend: rectangular segmentation. For specific code examples you can learn to use OpenCV, a very good library for computer vision and machine learning with a lot of resources and a big community of users.

May be, but in the article they written: so, they are building a real experiment, not only calculations.

I think you can find very interesting to read this: https://stfc.ukri.org/news/gamma-ray-laser/ and deepen by reading their paper Coherent gamma photon generation in a Bose–Einstein condensate of 135m Cs downloadable on ScienceDirect.

Ok, I understand, here some proof on my affirmations of bad management from Boeing: February 1988 - The Boeing 767 Program: A Case Study of Issues Related to Success in Managing an International Cooperative Project. February 1989 - Boeing Faces Questions on Quality. November 1999 - Crash...

Primary function of MCAS is "to counteract the non-linear lift generated by the LEAP-1B engine nacelles at high AoA", and, no less important but secondary "give a steady increase in stick force as the stall is approached as required by FAA regulation" reference http://www.b737.org.uk/mcas.htm...

Where would speculations be in what I wrote? The only speculation that I have set out is that I think that problems with Boeing are due to more than one cause, individual causes exposed are all known and verifiable, in a concrete way, facts, well known and reported by the agencies in charge of...