Shortly before kids are gathered, use a cotton swab dipped in lemon juice and, on different scraps of paper, write the words, "Believe it," "Never!," or "It is so." Allow each child to ask a yes or no question about his or her future, then have each choose one of the pieces of paper. Suppose everybody on the planet weighed 100kg (which is an overestimate, 70kg is more like it, probably less). Moving the Sun is about 6 orders of magnitude more difficult than moving the Earth but the Sun is continuously emitting energy which can be productively harnessed for this purpose. Which means the distance the Earth moves when everybody jumps will be one trillionth of the distance that all the people jumped: that is to say, 10-11 metres, or about half the radius of a hydrogen atom. It gets better. Even assuming the Earth did move by some significant distance when everybody jumped, just think about it: it'd move right back again! Note that the Earth does not and will not behave like a solid, rigid billiard ball under such huge impacts as these. Wait long enough, and the solar wind blowing the sail outwards will take the Earth outward too, since the two are gravitationally bound together!

Divide the players into two teams, and have each team stand about 50 feet apart, arms linked. When the energy transfers, the top pin moves up while the bottom pin slows down, and a gap is created between the two pins. You jump up, the Earth goes down: you fall down, the Earth comes up to meet you. Another, more sophisticated, problem is that the Earth is constantly spinning. Read on to learn more about the world of high-end auction houses. Turn the page to find out about the ultimate in haunted houses. While a fairly wide range of torque will sometimes pick these locks, try find the lightest torque that works. For guests too young to cross the street, hide these ingredients around the house or in the backyard.For the grand finale, make a big production of dropping each find in a "cauldron" in front of your audience. They opened a general store and planned to build a new home, but not just any home -- the new home was designed specifically to be a safe house for slaves seeking freedom along the Underground Railroad. Spend enough time designing hidden passageways and secret rooms for your video games, and the same sort of architecture might just normally extend to your house.

Suppose that there were ten billion people (another overestimate - there are about 6.4 billion at the time of writing). Better, you could use many, many asteroids one after the other in a steady stream, and cut down the total time significantly. Whether it’s a mounted camera or other types of camera stabilizers, what is billiards gimbals are essential for photographers and videographers aiming for steady and intentional movements in their shots while avoiding unwanted shakes. Better quality locks are less forgiving of too much torque. Note that these locks have been deliberately pinned with a short pin behind a long one. Schlage Primus locks also use a sidebar. It is possible to use a solar sail to steer the Earth into the Sun. Just use it to tack against the direction in which the Earth is travelling, gradually slowing its orbital velocity and increasing the orbit's eccentricity, until the orbit passes within the Roche limit where the Earth is torn apart by tidal forces.

This can come in handy when you need to make sure an object's orientation in relation to a particular direction remains stable. With half of the Sun's radiation blocked/reflected in the opposite direction, the Sun now has a net thrust upwards (i.e. in the direction of the "hat"). Rather than simply bouncing off, the object destroyed much of both itself and Earth, causing a VAST spray of matter to be hurled off from the impact point; this matter coagulated into what is now the Moon. Certainly, no single impact is going to do all the course changing you'll be wanting to pull off. Billiards method. Clonk the Earth with something big and heavy, causing it to alter course. The Earth is very big, moving very fast, and therefore very difficult to stop or even slow down. Gravity assistance. This is a method originally proposed as a means of moving Earth to a higher orbit around the Sun in order to save it from the Sun's inevitable Red Giant expansion.