Can't see the video? Download an mp4 [5 MB] version of this video. You'll need a few metres of faux pearl necklace if you want to make this faux siphon. Normal, linked chain (metal or plastic) works ...

Did you know that you can make water travel uphill when you siphon? When you suck liquid (like a straw) up over the hump, the force of gravity does the rest. Watch this video to discover how we did it ...

After weeks of setbacks, engineers have had their first success trying to stem the flow of oil into the Gulf of Mexico, using robotic submarines to insert the end of a 1.5-km-long tube into the main ...