A student has invented a revolutionary evacuation wheelchair that could save lives in emergencies because it has the capability to go down stairs without someone else pushing it.
Health and safety legislation and the Fire Brigade recommend that people do not use lifts to exit buildings during emergencies. However, for people with mobility problems this raises a serious issue as they become dependent on their friends and colleagues to assist their safe escape.
Simon Kingston, who graduated this year with a first class honours degree in Design for Industry from Northumbria University, has come up with a solution to this problem by designing a wheelchair with a tracked roller system at the front to control the chair’s descent and a tri-wheel that allows it to go down each step individually without assistance.
Andrea Trainer | alfa
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Chemical weathering of rocks over geological time scales is an important control on the stability of the climate. This weathering is, in turn, highly dependent...
Before the fluid of the middle ear drains and sound waves penetrate for the first time, the inner ear cells of newborn rodents practice for their big debut. Researchers at Johns Hopkins report they have figured out the molecular chain of events that enables the cells to make “sounds” on their own, essentially “practicing” their ability to process sounds in the world around them.
The researchers, who describe their experiments in the Dec. 3 edition of the journal Cell, show how hair cells in the inner ear can be activated in the absence...
Planet Earth experienced a global climate shift in the late 1980s on an unprecedented scale, fuelled by anthropogenic warming and a volcanic eruption, according to new research published this week.
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The Fraunhofer Institute for Solar Energy Systems ISE has installed 70 photovoltaic modules on the outer façade of one of its lab buildings. The modules were...
Nerve cells cover their high energy demand with glucose and lactate. Scientists of the University of Zurich now provide new support for this. They show for the first time in the intact mouse brain evidence for an exchange of lactate between different brain cells. With this study they were able to confirm a 20-year old hypothesis.
In comparison to other organs, the human brain has the highest energy requirements. The supply of energy for nerve cells and the particular role of lactic acid...
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