Engineering

How to bounce back from stretched out stretchable sensors

Elastic can stretch too far, which could be problematic for wearable sensors. A team of researchers at Yokohama National University has proposed a fix to prevent too much stretching while improving the sensing ability of ...

Engineering

Under pressure, nontoxic salt-based propellant performs well

In smaller spacecraft such as CubeSat satellites, a salt-based monopropellant is showing promise. It can be used both in high-thrust chemical propulsion for fast time-sensitive maneuvers, and electric mode for slow maneuvers, ...

Robotics

Are lethal autonomous weapons the future of warfare?

An armed weapons system capable of making decisions sounds like it's straight out of a Terminator movie. But once lethal autonomous weapons are out in the world, there could be no turning back.

Energy & Green Tech

Thermal storage units that repair themselves

In the future, paraffin wax could help to make underground thermal storage units more durable. Such systems are used, for example, to store solar energy over a longer period of time. In a new study, geologists from Martin ...

Business

Huawei urges UK not to rush into 5G decision

Chinese telecoms giant Huawei urged Britain on Wednesday not to rush into taking any costly decision to phase out its equipment from the UK's 5G network because of US sanctions.

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Pressure

Pressure (symbol: p or P) is the force per unit area applied in a direction perpendicular to the surface of an object. Gauge pressure is the pressure relative to the local atmospheric or ambient pressure.

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