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
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
Twister tales: the Guardian, June 2016
Not too many people go on holiday hoping for bad weather. Here I’m surrounded by them. We’re at yet … More
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
Peru diary, 4/5.
I think that fourth night must have been the first one I’ve spent at 2,700m and I didn’t seem any … More
El Conductor: driving the scientists mad
A field trip diary of an expedition with the NHM to northern Peru. Part 1/5 For reasons best known to … More
Peru diary: 2/5
Day 3: San Benito to Cajamarca Another early start. As the mountains began to blush with colour, we (I) loaded … More
Peru diary: 3/5.
Day 4: Cajamarca to Celendin I would first like to reiterate that the account expressed herein is my own. My … More