Instant travel seems further away than when Captain Kirk first reanimated, but scientists are fighting to make it happen (For … More
Maglev trains: why aren’t we gliding home on hovering carriages?
It is lightning quick, clean, green – and expensive. But shouldn’t we think again about magnetic levitation? For the published … More
Supersonic flight: will it ever rise out of the ashes of Concorde?
Flying at twice the speed of sound was the preserve of the super-rich. If supersonic flight roars back to the … More
Ray guns: will they ever be more than cool toys?
Humans have dreamed of weaponised lasers since HG Wells first mooted them. Should we be careful what we wish for? … More
Hoverboards: why they haven’t got off to a McFlying start
The gadgets inspired by Back to the Future Part II’s floating skateboards have failed to deliver (For the Guardian piece, … More
Flying cars: why haven’t they taken off yet?
Despite their potential, no one has managed to take them from flight of fancy to everyday reality (For the Guardian … More
Holograms: are they still the preserve of science fiction?
A projected Princess Leia in Star Wars suggested a 3D future, but we’ll have to wait a while before we … More
Jetpacks: why aren’t we all flying to work? The Guardian, June 2018
A shorter, published version is here on the Guardian website. Those of a certain age may remember the opening ceremony … More
The west’s throwaway culture has spread waste worldwide: but we can stop it: the Guardian, March 2017
Peru diary: 5/5.
Erica: Here is the final instalment of Dave’s account of the fieldtrip to Peru. I have to say that … More