Rare rainbow arcs in the sky, seven technological wonders of the 21st century
Excerpts from the Red Folder
Collecting the materials that give art colour, entangled in the space between art and physics
Excerpts from the Red Folder
Cyberspace cryptic crossword
To celebrate 30 years of the World Wide Web, tackle our Internet and computing-themed cryptic crossword
Hawking on a 50p coin, hype over ‘quantum time reversal’, pi record smashed on Pi Day
Excerpts from the Red Folder
Happy 30th birthday to the World Wide Web
Join Physics World in celebrating the 30th anniversary of the Web with our online collection and a special issue of your favourite magazine
Illustrating 30 years of the Web
Jess Wade illustrates the history of the World Wide Web, from the technology that enabled it to the staple it is today
Women are better at crowdfunding science, Street View explores the LHC, preventing the weaponization of science
Excerpts from the Red Folder
Facing up to the decarbonization challenge
The problem of climate change is so serious that even scientists at oil and gas firms are talking about it – sort of
Mapping the network of international tourism
A talk about world travel patterns at the APS March meeting raises fascinating questions about how and where people choose to go
Advice for physicists navigating the waters of international trade
A talk at the Institute of Physics’ inaugural Business Innovation and Growth Conference highlights the opportunities and risks of selling hi-tech products in new markets
