Hydrogen fuel cell cars appear to be fantastic: hydrogen and oxygen in, water out. However, if the hydrogen comes from polluting, carbon-emitting power plants, your environmentally friendly vehicle may not be that green after all. Watch this enlightening video from Alex Dainis to find out all about how fuel cells work. [Reactions]
Food is arguably the best thing about being alive. No other bodily pleasure is enjoyed multiple times every day and never gets old. It is an expression of culture, our parents’ love and a means of celebration or comfort. That’s why it hits a special nerve when we are told we should change what and […]
Some birds steal food from other birds to save themselves work, but kleptopredators take it one step further! Learn all about Kleptopredation in this SciShow video! [SciShow]
From Jan van IJken: Planktonium is a short film by Jan van IJken about the unseen world of living microscopic plankton. It is a voyage into a secret universe, inhabited by alien-like creatures. These stunningly beautiful, very diverse and numerous organisms are unknown to most of us because they are invisible to the naked eye. […]
ESA astronaut Thomas Pesquet takes you on a brief tour of the International Space Station like no other. Filmed with a 360 camera, he floats from Node-3 to Europe’s Columbus laboratory. Immerse yourself in this brief but unique fly through humankind’s orbital outpost. [ESA]
From TED Ed: If you were a jackrabbit in the desert, you’d be glad to stumble across a cactus: the flesh of these plants is a water source for many animals. Known for their spines and succulent stems, cacti of all shapes and sizes have evolved to not just survive, but thrive, in some of […]
Nothing can escape a black hole, so when a sun gets too close to one, its planets might escape its gravitational pull, leading them to a catastrophic “end of time” event. Respect to the cameraman, the silent hero of this short clip, who sacrificed himself to capture this on tape for us. Ok, that was […]
From Seán Doran: 78,846 frames of ångström-171 data from Solar Dynamics Observatory were repaired, processed & rescaled to create the film, which is the month of August from 2014. These frames amount to 22 minutes of footage at 60 frames per second. The opposite limb of the Sun is shown in the second half of […]
The Death Star, as seen in the original Star Wars trilogy, has nothing to do with how laser weapon actually work. Here is a short 35-second video showing the space station firing on a fleet of ships in a scientifically accurate way. Sure, it might not be as visually stunning as in the movies, but […]
A ravenous swarm stretches as far as the eye can see. It has no leader or strategic plan; its only goals are to eat, breed, and move on. These are desert locusts— infamous for their capacity for destruction. But most of the time desert locusts are no more dangerous than grasshoppers. So what does it […]