The top-selling items in the auction were the Patek Philippe ladies’ 18k gold pocket watch, which sold for €6,000, and the ...
The next generation of atomic clocks "ticks" with the frequency of a laser. This is about 100,000 times faster than the ...
The next generation of atomic clocks "ticks" with the frequency of a laser. This is about 100 000 times faster than the microwave frequencies of the ...