Alessandro Arduino has researched Africa's security affairs with a particular focus on the use of private military companies and other guns-for-hire across the continent. In his latest book, Money for ...

The audio component centers around the SS8550 PNP transistor (Q1) which serves as a driver for the passive buzzer (BZ1). This ...

Ubuntu Waterhub has created 70 automated, prepaid water dispensing systems serving both vendors and communities.