Cleaner, greener power tools

Article Abstract:

Power tool manufacturers have began to incorporate mini two-stroke and four-stroke engines in their products that are capable of meeting strict air quality standards. The engines are powerful for their size and produce less exhaust and noise. However, they are more heavier and expensive to make.

Innovations, Power tools, Motors

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From school to space

Article Abstract:

Elementary school teacher Barbara Morgan's career as an astronaut will be revived following the resumption of the Teacher-in-Space program. Morgan was the designated backup for Christa McAuliffe in 1986.

Appointments, resignations and dismissals, Astronauts, Morgan, Barbara

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Picture me in pixels

Article Abstract:

An evaluation of next-generation digital cameras is presented, including the $1,000 Sony Mavica MVC-FD95, and the $800 Sony DCS-S70.

Evaluation, Digital cameras, Electronic cameras, Sony DCS-S70, Sony Mavica MVC-FD95

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