Scholars have recently shown a clear increase in the frequency of caries and tooth loss for humans after the end of the 18th c.  For the authors, changes in nutrition (more sugar) and dental health (possibly higher frequency of tooth... continue reading
Due to the secondary Bjerknes force, the bubbles migrate towards the wall, generate the toroidal shape, and then form high-speed jet, which causes high impulsive pressure... continue reading
The world is heading towards a global food crisis in that there will be more people on earth ( +-9 billion) in 2050 than there have ever been. Furthermore, the food needed to feed this growing population will require that we produce more food in... continue reading
One way 2 secure USB devices UTXO exchange /hardware/
While bitcoin and other cryptocurrencies are fairly successful they suffer from the weakness that they need the world wide web or internet to... continue reading
The conventional statistical inference based on hypothesis testing and p-value is fundamentally flawed. The general practice of data analysis involves too many post hoc decisions makings based on p-value, which unavoidably violates the... continue reading
A central problem with modern computer-aided research is that research based on long computations becomes difficult to verify. It is thus unclear how and why such should be trusted. The most widely discussed aspect of this problem is the... continue reading
Some reports of NGOs and anecdotal evidence suggest that child abuse materials (CAMs) share some characteristics extensively. They mostly take place indoor settings, victims' face or genitalia is visible and there are few visual clues about the... continue reading
Assuming that Dyson spheres obscure optical/near-infrared light as grey absorbers, a partial Dyson sphere with high covering fraction (fcov > 0.5) could reveal itself as an anomalously subluminous star with a parallax-based distance smaller than... continue reading
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