Watch a series of tech tips and hack videos on Yahoo Screen UK.

Tech Hacks & Facts

Yahoo Tech's Dan Howley shows us the do's and don'ts of dealing with a wet phone.

How to Fix a Wet Phone

A British inventor says his Babel bike is the safest bicycle ever produced. Crispin Sinclair - son of famous British inventor Sir Clive Sinclair - hopes the bike's safety cage, double seatbelt, and host of other measures will inspire non-cyclists to get in the saddle. Jim Drury went to see it in action. Credit to Reuters.

'Safest bike ever' devised by British entrepreneur

Sky's Greg Milam has been to Stanford University where they are researching how to charge mobile phones quickly.

Scientists Working On New Battery To End Charging Nightmares

<p>One Russian father discovered a unique property of the magnetic material he was using to educate his son. When placed beside a cellphone, the metallic ore began to twist and mutate, almost as if alive. Credit: YouTube/АБАКАКА</p>

One Russian father discovered a unique property of the magnetic material he was using to educate his son. When placed beside a cellphone, the metallic ore began to twist and mutate, almost as if alive. Credit: YouTube/АБАКАКА

Cellphone Has Incredible Effect on Magnetic Ore

There is one time when you should turn on the flash, and it might sound crazy: When you’re taking pictures of people on a bright, sunny day.

Pogue's Basics: Never Take Another Shadowy Portrait

<p>Nick was enjoying a day with his cousins when they had the idea, he told us, “of attaching a head massager to a sawzall blade”. When their hell-raising new tool was ready, the Ohio man seized an opportunity to experiment with it by treating a brave relative to a head massage with a difference. The tickling sensation was endured for a few seconds, before everyone gathered fell about laughing. Credit: YouTube/Nick Burton</p>

Nick was enjoying a day with his cousins when they had the idea, he told us, “of attaching a head massager to a sawzall blade”. When their hell-raising new tool was ready, the Ohio man seized an opportunity to experiment with it by treating a brave relative to a head massage with a difference. The tickling sensation was endured for a few seconds, before everyone gathered fell about laughing. Credit: YouTube/Nick Burton

Cousin Enjoys Head Massage With a Difference

Australian researchers unveil the world's first 3D printed jet engine that could lead to cheaper, lighter and more fuel-efficient jets.

World's first 3D printed jet engine unveiled

Three men in Austria have become the first in the world to undergo "bionic reconstruction".

Three men given first prosthetic hands controlled by mind

Three men have become the first in the world to have their hands replaced by bionic versions controlled by their mind. Nick Ravenscroft reports.

Damaged Hand Is Amputated And Substituted With A Robotic Prosthesis.

Blocks fitted with magnets pull together to create an underwater chair - a concept which could be used in infrastructure repair.

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