Criminal activity continues to be a major concern in modern civilisations, with most nations facing unacceptable levels of crime and delinquency. The results show that African and Latin American countries suffer from the highest levels of various types of crime across the board, followed by countries in Asia. European, North American …

Generally, materials will degrade over time due to fatigue, environmental conditions, or damage incurred during operation. Repair of certain materials during their lifecycle (especially those with structural functions such as concrete) can be very expensive and labour intensive.  Therefore Scientists began developing self-healing materials ,  those artificial (synthetic) substances that …