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The 1,200-year-old carved stone was discovered hidden under vegetation at an early Christian church site near Conon Brid...
07/02/2023

The 1,200-year-old carved stone was discovered hidden under vegetation at an early Christian church site near Conon Bridge last year.

It is to go on display at a museum in nearby Dingwall next week.

The stone will be positioned so that it can be seen by passers-by through a window facing the High Street.

Archaeologists described its discovery last year being of national importance because it is one of only about 50 complete Pictish cross-slabs - intricately carved stones - known to exist.

The depot will serve as a reserve cache to be brought back to Earth in the event Perseverance is unable to complete the ...
31/01/2023

The depot will serve as a reserve cache to be brought back to Earth in the event Perseverance is unable to complete the next stage of its mission.

Scientists want rock samples brought home to study in the lab. It will be the best way to determine whether life has ever existed on the Red Planet.

Photos downlinked from the robot on Monday showed the last of the 10 titanium cylinders intended for the depot, lying in the dust between the vehicle's wheels.

Engineers at the University of New South Wales (UNSW) say they have successfully modified a conventional diesel engine t...
20/01/2023

Engineers at the University of New South Wales (UNSW) say they have successfully modified a conventional diesel engine to use a mix of hydrogen and a small amount of diesel, claiming their patented technology has cut carbon dioxide (CO2) emissions by more than 85%.

It's the work of Prof Shawn Kook and his team at the university's School of Mechanical and Manufacturing Engineering.

"The interest in converting an existing diesel engine into a clean-burning hydrogen engine is extremely high," Prof Kook tells the BBC at his laboratory in Sydney. Enquiries have come from Germany, South Africa, Brazil, Japan and China.

Nothing on that scale looks like it is about to happen under the area studied by Upflow, fortunately. But it's thought s...
17/01/2023

Nothing on that scale looks like it is about to happen under the area studied by Upflow, fortunately. But it's thought still to be an excellent laboratory.

Its siting was close to the Mid-Atlantic Ridge where some of Earth's tectonic plates meet. The nearby continent of Africa would also influence how plumes would flow. The Upflow team hopes to publish its imagery in the next couple of years.

The project is funded by the European Research Council. Co-principal investigator is Prof Miguel Miranda from the Portuguese Institute for Sea and Atmosphere (IPMA).

"It has the effect that it dampens the waves, and it prevents the breaking of the waves," says founder and chief executi...
12/01/2023

"It has the effect that it dampens the waves, and it prevents the breaking of the waves," says founder and chief executive Borge Bjorneklett.

He says that, as the panels are lying completely flat, the forces acting on them are diminished. Being close to the seawater also cools down the cells, which improves their performance.

Both Ocean Sun and SolarDuck are looking at siting solar farms alongside wind turbines, which will smooth the flow of electricity when the wind is not blowing.

"We are talking partly about jobs, skills and investment," he said. "On top of that we have a community benefit fund whi...
03/01/2023

"We are talking partly about jobs, skills and investment," he said. "On top of that we have a community benefit fund which is worth over £30m over the next 45 years going directly to communities around this plan."

The possibility of extra funding is important to local charities like Little Lounge, which supports children in their early years, and their families in Cilfynydd.

Katie Hadley, from Little Lounge, said: "I want to find out more about what [the wind farm] could offer us as a small community.

"I can understand that people will have questions about the development, because this is our village and we want to keep our beautiful surroundings.

"My nine-year-old son loves the forest too. I tell him all about the gecko and how I help protect it. I feel so proud to...
29/12/2022

"My nine-year-old son loves the forest too. I tell him all about the gecko and how I help protect it. I feel so proud to be part of this work - and it's all happening on my island, my home."

In addition to active patrol training and self-defence skills - courtesy of Mr Gaymes who is a fourth degree black belt in taekwondo - wardens are taught about the many intriguing species that call the forest home and the traditional uses for medicinal plants so that they can pass their knowledge on to local schoolchildren and visitors.

What Union Island lacks in monetary wealth it makes up for in rich biodiversity. Since the gecko project began, the team has extended its work to protect a number of other endemic creatures too, like the "pink rhino" iguana, also under threat from poachers.

We visited the site of a leak repair with Essex and Suffolk Water, which is owned by Northumbria Water. At a suburban si...
26/12/2022

We visited the site of a leak repair with Essex and Suffolk Water, which is owned by Northumbria Water. At a suburban site, a team was carefully excavating - navigating the overlying sewer pipe, gas supply and electricity cables to locate an underground leak.

"This one wasn't visible - we detected it through monitoring flow in our network," said Colin Day from Essex and Suffolk Water.

"We've covered the biggest leaks - burst pipes that that people see. It's these smaller, hidden leaks that we need to find."

Essex and Suffolk Water is testing "non-dig" repairs, including sealants that can be safely injected into pipes to repair cracks before they develop into a major leak. The technological revolution in leak prevention, according to some scientists, will be miniature robots.

Visible images - that's pictures taken at wavelengths of light our eyes would detect - show Ganymede's surface to be a m...
21/12/2022

Visible images - that's pictures taken at wavelengths of light our eyes would detect - show Ganymede's surface to be a mixture of darker and brighter patches. The brighter areas are younger and colder. Juno's radiometer reveals these zonal differences are not just surface phenomena but are related to structures that have deep roots.

At Europa, the temperatures are lower but vary less from place to place. And interestingly, they become very uniform at depth.

"That may be a hint that you're getting near the liquid," said Dr Bolton. "Because when I get to the liquid, it's going to be completely uniform, because it's going to be like a mirror. It's not crazy to think the water might be just a few kilometres down - six, eight, something like that. I'm not ready to say that's the ocean, but it's conceivable that water is playing a role there."

The Nasa probe that struck an asteroid in October to try to deflect its path had a bigger effect because of all the debr...
16/12/2022

The Nasa probe that struck an asteroid in October to try to deflect its path had a bigger effect because of all the debris it kicked out.

The Dart mission slammed into egg-shaped Dimorphos to demonstrate how hazardous rocks posing a threat to the Earth could be deflected.

It was very successful, but even more so because the impact dug up a million kilograms of surface material.

When this shot out into space it boosted the momentum exchange.

Scientists working on the project have even been able to put a value on the effectiveness, a quantity they call "beta". It's 3.6.

Generators will also be sent and a helicopter will be used to assess damage to overhead lines.All Shetland's schools wil...
14/12/2022

Generators will also be sent and a helicopter will be used to assess damage to overhead lines.

All Shetland's schools will be closed for a second day.

Meanwhile there has been heavy snow across much of north-east Scotland overnight.

Aberdeenshire Council says most of its roads network has been affected by heavy snow, and a number of schools in Aberdeenshire and Moray will be closed.

Bus company Stagecoach Bluebird says its services have been affected, with many cancelled, delayed or diverted.

River director Dr Lorraine Hawkins stressed the water scooter itself was not the deterrent."It's simply the means of us ...
09/12/2022

River director Dr Lorraine Hawkins stressed the water scooter itself was not the deterrent.

"It's simply the means of us getting the deterrent out towards the seal," she said.

"We've developed this method in consultation with the seal mammal research unit. They're the seal experts and they advise us on how we go about this, so we're confident there's no harm caused to the seal."

The project is being piloted on the Dee until April.

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