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How long does it take for heat to reach us from the sun? 22 Feb 2009 · How long does it take for heat to reach us from the sun? It’s about 8 minutes, the distance between the sun and the Earth because light travels at about 1 billion km/h and the …
How Would You Use 1 Billion Volts Of Electricity In A Weapon? 22 Aug 2012 · A lightning stroke rated at over a billion volt, Lightarrow? And that from a moderately reliable source. I vaguely recall working with a figure of the order of tens of …
How much fishing gear gets lost at sea? - The Naked Scientists 21 Oct 2022 · Together they feed over three billion people. But in the course of doing that, massive amounts of gear goes overboard contributing to huge environmental impacts. The …
How long would it take to wipe all trace of man from Earth? 9 Nov 2008 · Over geological time, over millions of years they'll be preserved in a rock stratum in just the same way that dinosaurs are preserved in rock strata from 65 million years ago. When …
What was Earth like when life began? | Interviews 30 May 2017 · So we could have had life older than 4 billion years ago but no traces of that survive. Georgia - We were back in time when we know the oldest life was starting to appear - …
Which radioactive elements have the longest and shortest half … 3 Oct 2007 · Copernicium 285 has the shortest half life, which is 5*10^-19 seconds. Longest is definitely uranium 238, over a billion years.
UK commits £14 billion to new nuclear power plant | Interviews 12 Jun 2025 · The UK government has committed more than £14 billion to build Sizewell C, a new nuclear power station on the Suffolk coast. It’s been heralded as the biggest investment in …
More stars in the Universe, or sand on Earth? 21 Aug 2018 · Michael - Let’s start with the stars in the visible universe: crudely speaking there are about 100 billion stars in a galaxy like the Milky Way, and about 100 billion galaxies in the …
How can stars burn for billions of years? | Science Questions 10 Jan 2023 · If you get a calculator to work out how many seconds in a year, multiply that by 10 billion years and multiply that by a million tons of seconds, you don't get to even a fraction of …
Why are the UK and American billions different? 7 Feb 2017 · To talk you through what are the differences between the Americal billion and the good old fashioned British billion is when you think about how numbers go up - ten tens in one …