Lifeboat Foundation

When Elon Musk announced the launch of SpaceX ($SPACEX) in 2002, comparisons to Jeff Bezos’ Blue Origin ($BLUEORIGIN) surfaced seemingly within seconds, and a private space war was born. As both companies engage in their own space race, and compete for private and government launch contracts, they’ve both been on hiring sprees virtually since the day they were born.

Blue Origin’s head start remains intact, and is manifested in its hiring patterns that have shown the company adding more people at any one time than SpaceX. But that lead, at least according to trends we’re now seeing with enough data, may end in the next year or two.

Teams start competing Tuesday in the Drone Racing League’s new battle of autonomous drones. Here’s an exclusive first look at the AI-powered flying machine.

Bird of prey.

Maps of the long filaments of gas that hold the universe together might one day help trace and unveil dark matter.

iOS/Android/Desktop: Default calculator apps suck. They work like a traditional handheld calculator, which only displays one value at a time and can only do basic math. If you want to do anything more than calculate a tip, you’re better off with these free and cheap calculator apps.

These apps help you do typical “real life math” or solve basic textbook math problems.

In the past, a trip to the circus was nothing without seeing some exotic animals doing impressive tricks. But as we become more aware of human impact on the world, and more inclined to be careful about how we interact with other species on earth, the simple pleasure no longer seems so pure. In fact, using other animals for our enjoyment seems deeply unethical, and, for many, precludes any circus-related enjoyment.

But one innovative circus has come up with a solution to this problem. Wanting to enchant visitors with traditional shows of the past without having to make shady ethical calls, they’ve gone for a different approach. Instead of performing these tricks with living beings, they’ve used technical advancements to achieve beautiful effects — and the internet is loving it.

The researchers say their light manipulation theoretically could work with any object of any shape, from micrometers to even meters.

Hemp is a wonder crop. It’s an incredibly versatile plant that can be used for a huge range of purposes.

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