Where is the edge of space?

As billionaires blast off in an effort to secure bragging rights or stroke their egos, an old question has been reignited: where does the atmosphere end and space begin? Richard Branson’s Virgin Galactic flight on 12 July rocketed up to 86 km off the ground, while Jeff Bezos’s Blue Origin flight last night reached just … Continue reading Where is the edge of space?

Carbon offsets for flights: dinkum deal, or pie in the sky?

This article first appeared in Cosmos Weekly on 18 June 2021. For more stories like this, subscribe to Cosmos Weekly. Dream scenario: to celebrate Melbourne coming out of lockdown you manage to nab yourself an economy flight to the Sunshine Coast – one way. With visions of sunny beaches before your eyes, the final add-on … Continue reading Carbon offsets for flights: dinkum deal, or pie in the sky?

Carbon offsets for flights: dinkum deal, or pie in the sky?

Dream scenario: to celebrate Melbourne coming out of lockdown you manage to nab yourself an economy flight to the Sunshine Coast – one way. With visions of sunny beaches before your eyes, the final add-on before payment appears on screen: would you like to offset your carbon emissions for this trip?  If you choose yes, … Continue reading Carbon offsets for flights: dinkum deal, or pie in the sky?

Where’s my flying car?

The Jetsons cartoons gave a boomer generation a vision of seemingly magical powered flying vehicles. Are we any closer? Backed by billions in venture capital and a recent IPO, one startup aims to have its flying taxi on the market in three years. While they may be ahead of the pack, they’re not alone. Is … Continue reading Where’s my flying car?

Where’s my flying car?

Backed by billions in venture capital and a recent IPO, one startup aims to have its flying taxi on the market in three years. While they may be ahead of the pack, they’re not alone. Is this the decade we finally get our Jetsons car? The most obvious reality check draws on our experiences around … Continue reading Where’s my flying car?