Over the years, programmable logic controllers have taken on relay logic and process control and have even minded motion. Now they are adding safety to their repertoires. These latest offerings from Siemens and Rockwell Automation can replace stand-alone safety PLCs or hard-wired relays and therefore streamline the planning, implementing and operating of machinery safeguards.To read about the products, click below:
NASA and Boeing developed a huge, carbon composite cryogenic fuel tank for deep space missions, and started testing it last month. The 18-ft cryotank will enable heavy-lift launch vehicles to send both humans and robots into deep space.
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