Rockets have long relied on liquid oxygen and, in the case of the space shuttle, solid rocket boosters. As private space travel advances, the newcomers are saying, "Do we have to do it that way?" The new leader, SpaceX, is trying something new.

Master all things Microsoft with Kim's Windows newsletter. Free downloads, update news, pro tips and more, delivered weekly.

There's no question electricity is a daily necessity. We need it to cool and heat our homes, preserve our food, and so much more. But what would happen if electricity suddenly went out worldwide? Well, it would be a disaster, to say the least, but how quickly things would devolve is truly surprising.

Engineers are constantly trying to develop new, innovative ideas to make the world better. One man, almost 100 years ago was able to come up with some brilliant ideas. But, those ideas ended up leading to some of the deadliest disasters of all time. So how did this happen?

There are plenty of ways someone can snoop on what you do on your computer. But you probably wouldn't have thought just listening to you type was one of them. This test allows you to check if the sounds your keyboard makes allow you to be vulnerable to these snoops.

Computer systems in cars are the new normal. When something breaks, it could cost a fortune. And now is not the time for expensive repairs. That’s where CarShield comes in. You could save thousands on covered repairs. CarShield offers customizable and flexible payment plans with no long-term contracts — plus, you can choose your favorite mechanic or dealership to do the work. They also offer complimentary 24/7 roadside assistance and a rental car while yours is being fixed.

CarShield has helped over 1 million customers! Drive with confidence with America’s No. 1 auto protection company. Protect yourself from surprises and save thousands for a covered repair!