From Spain's heavy reliance on solar and wind to 'anomalous oscillations' in power lines, scientists reveal what's to blame for the Iberian Peninsula's cascading power outage

More from Science & Technology

• Britain's porn crackdown: Ofcom reveals the exact date you'll have to prove you're over-18 to access hundreds of adult sites like Pornhub

• Terrified experts say US volcano set to erupt will trigger international travel chaos

• Inside one of the world's scariest airports where pilots have to avoid trains on the runway

• Nuclear breakthrough: China's experimental reactor refuels WITHOUT shutting down - taking the world closer towards limitless clean energy

• World's oldest pitch proves football was born in SCOTLAND - and not England, expert claims

• Declassified CIA document reveals Area 51's TRUE purpose

• Pentagon whistleblower fears execution after revealing bombshell UFO program secretly studying alien tech

• You've been making pasta wrong! Scientists reveal the ultimate recipe for Cacio e pepe - and why you should NEVER use pasta water

• Skeleton in Alexander the Great's family tomb ISN'T his father, shock study claims

• 'Sleeping giant' off coast of California is due to wake any moment and could sink parts of US in just MINUTES

• Urgent nationwide recall for popular sauce due to foreign material that could CHOKE people

• Scientists discover a NEW planet hiding in our solar system that could have life

• Major tech company is giving away free £100 to try new Wi-Fi service - here's how to apply

• The emojis that could reveal if the sender is a NARCISSIST

• Major US city that's on volcano watch is rocked by near-5.0 magnitude earthquake

• Mysterious 'orb' captured soaring past sun in new NASA video sparks theories of UFOs

• Scientists warn some dogs and cats are being bred to evolve the same 'smushed' faces - and it could lead to breathing, eating and birthing issues

• iPhone 17 Pro will come in four colours including a brand NEW shade, leak suggests - here are the stunning hues we expect Apple to bring out

• The mission to dim the SUN: How controversial geoengineering technique could cool the planet using existing aircraft

• Neuralink's third brain implant patient regains speech after being robbed of his voice by progressive disease - hear him speak in emotional video with help from Elon Musk's AI bot