Silicon (Si) is a metalloid, element number 14 on the periodic table. Like carbon, silicon has four bonding sites, but silicon is more than twice as heavy as carbon. The high melting point of ...

The temperature has well and truly dropped but like many of us wanting to keep our energy bill down, I'm still trying to be cautious about when to put the heating on. Money-saving expert Martin ...

Not so long ago, many people wouldn’t consider even the best heated jackets due to weak heating elements and bulky components that made them impractical. But over the years, advancements in ...