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The article examines how to make money out of competitive gaming, or esports. It shows how companies that make games including European Gaming League (EGL), Riot Games for LOl, and Extreme Masters league earn profit by tournament winnings, sponsorships and streaming. Also discussed are the role of a specialist commentator, also known as cast, tournaments and events, and virtual reality as a potential source of revenue in esports via content customization and creation of competitive content. INSET: BETTING IN ESPORTS.

The article discusses research updates and trends relating to ballistics technology and ammunition. Topics explored include significant capabilities of the Radically Invasive Projectile (RIP) bullet developed by G2 Research, challenges associated with bullet design such as the Multiple Impact Bullet (MIB) of Advanced Ballistic Concepts, and the definition of common terms relating to ammunition such as hollow point, calibre, and grain.

The article discusses a study on use of sound waves as fire extinguishers conducted by Seth Robertson and others. Topics discussed include agitation in air molecules to separate oxygen from fuel by sound waves that helps in reducing heat, thermal imaging technology in firefighting and development of the system called Next Generation Fireground Communications from Motorola for firefighters that provides data on oxygen levels, battery levels and heart rates.

The article reports on research in robotics that lead to development of modern nanorobotics, where robots are made of chemicals and magnets and powered by heat and light. It mentions the researcher David Gracias who has researched on nanorobotics and his explanation of hydrogels. It adds the in vivo test performed by team at the University of California San Diego in which devices were inserted into a living organism. It also adds drug delivery as application of nanorobotics. INSET: ONLY FOR THE RICH?.

The article reports on the use of acoustic technologies to save water in the drought-stricken state of California. It mentions the technique used by professional service solutions provider ME Simpson, in which transducer microphones attached to water meters help in detecting leaks in pressurized water pipes. Also discussed is about the infrastructure management technologies provider Pure Technologies, which uses the sensor-based device Sahara for detecting leaks in the pipe.