Security

Terahertz (THz, 1012 Hz) technology is based on light sources with frequencies much lower than of visible light, and slightly higher than of microwaves. Such light sources have a number of unique capabilities, for example that it can propagate through most insulating materials such as paper, plastic, cardboard, clothes etc., …

The rise of the digital era has brought with it many wondrous changes to our daily lives, not least of which the fact that we now carry digital assistants with us everywhere we go in the form of smartphones, tablets, and laptop computers. At the same time this has also …

Criminals, terrorists and military have been using  tunnels since long time to evade detection as surface based detection methods are ineffective underground .   Indian Border Security Force (BSF) troopers in Nov 2020 discovered an underground tunnel on the international border at Regal area in J&K`s Samba district, officials said. As …

More than 248 million people have been reported to be infected by the novel coronavirus globally and 5 million have died, according to a Reuters tally.   From herpes and legionnaires’ disease in the 1970s, to AIDS, Ebola, the severe acute respiratory syndrome (SARS), and now Covid-19, contagious diseases continue …

Gamma rays are ionizing electromagnetic radiation, obtained by the decay of an atomic nucleus. Gamma rays are given off by stars, and by some radioactive substances. Gamma-rays travel to us across vast distances of the universe, only to be absorbed by the Earth’s atmosphere. Different wavelengths of light penetrate the Earth’s …

“Climate change is an urgent and growing threat to our national security, contributing to increased natural disasters, refugee flows, and conflicts over basic resources like food and water. The present day effects of climate change are being felt from the Arctic to the Midwest. Increased sea levels and storm surges …

The United States armed forces expect to encounter a variety of military operations in the future that are unconventional in nature. Known as Military Operations Other Than War (MOOTW) they include such things as peacekeeping, humanitarian relief, covert operations, and hostage rescue.   The unconventional threats is further enhanced as …

The head of the World Health Organization is warning that the COVID-19 pandemic is speeding up, and he criticized governments that have failed to establish reliable contact tracing to stop the spread of the coronavirus. According to the latest tally from Johns Hopkins University, there have been more than 10 …

There could be no smart city without a reliable and efficient transportation system. This necessity makes the ITS a key component of any smart city concept. While legacy ITS technologies are deployed worldwide in smart cities, enabling the next generation of ITS relies on effective integration of connected and autonomous …

The internet is actually made up of three different layers: the surface web, the deep web and the dark web. The top layer, the surface web, are web pages that show up using search engines such as Google. The deep web are web pages which search engines can’t access and …