Catalysts are the invisible engines of hydrogen energy, governing both hydrogen production and electricity generation.

Researchers announced that they have achieved the world's first elucidation of how hydrogen produces free electrons through ...

Abstract: The design of a metamaterial-loaded helical slow-wave structure (MHSWS) is proposed, facilitating the dual purpose of enabling forward-wave (FW) propagation for traveling-wave tubes (TWTs) ...

12:30, Fri, Dec 12, 2025 Updated: 12:35, Fri, Dec 12, 2025 Money expert Martin Lewis has urged O2 customers to report it after they were hit with unexpectedly large final bills for trying to ditch the ...

O2 customers are being urged to scrutinise their recent bills after Martin Lewis warned they could have been unfairly stung with hundreds of pounds in charges. The dispute erupted when O2 announced it ...

Using quantum states for processing information has the potential to swiftly address complex problems that are beyond the reach of classical computers. Over the past decades, tremendous progress has ...

Martin Lewis has told anyone with a mobile phone to put their address into a website - which will instantly tell them if their provider is the best signal. Anyone with EE, Vodafone, Three, O2 ...

Martin Lewis has advised anyone with a mobile phone to input their address into a website to instantly determine if their provider offers the best signal. Those using EE, Vodafone, Three, O2, and ...

Lewis structures, also known as electron dot structures, are diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule. These structures ...

Martin Lewis is urging O2 customers to dial a five digit code if they want to shop around for alternative suppliers following the price rise announcement. The BBC and ITV star spoke out after O2 ...