The best timepieces tend to be fragile, but a device based on iodine threads the needle between precision and practicality. The best timepieces tend to be fragile, but a device based on iodine threads the needle between precision and practicality.
The effect of melting polar ice could delay the need for a ‘leap second’ by three years. The effect of melting polar ice could delay the need for a ‘leap second’ by three years.
The leap second is being affected by climate change, scientists warn washingtonpost.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from washingtonpost.com Daily Mail and Mail on Sunday newspapers.