Why do Bags of Chips have Air in them?
Potato Chip Bags are not full of Air, but of Nitrogen gas. This is done to prevent the Chips from oxidizing, which is part of what makes them go stale. Oxygen is very reactive, and likes to combine with other Molecules whenever it can, causing chemical changes to take place.
Why do Mosquito bites itch? While bees and wasps inject venom when they sting, mosquitoes simply bite to feed on your blood. The bumps and itchiness that follow come from an
What are virtual SIM cards and what do they do? Unlike a SIM card, virtual SIMs are not attached to a mobile. They are created online to help you communicate. It is
What makes a Fabric Waterproof? One type of Waterproof Fabric is waterproof simply because the Threads are woven so tightly that water cannot easily get inside or through. Other Waterproof materials
Does the Moon really have Volcanoes? Yes, the Moon has some Volcanoes, but scientists classify them as Dead Volcanoes because they have not erupted for millions, perhaps billions,
What is Seamount? A Seamount is a mountain rising from the ocean seafloor that does not reach to the water's surface (sea level), and thus is not an island, islet or cliff-rock. Seamounts are typically formed from extinct volcanoes that rise abruptly and are
What is ISO setting in DSLR camera? The letters ISO on your digital SLR camera refers to film speed. Even though your camera is most likely not film at all, but
What is TestTube Baby? In a normal pregnancy, a male sperm penetrates a woman's egg and fertilizes it inside her body after ovulation, when a mature egg has been released from the
How is food cooked in a Microwave? Cooking with Microwaves. Microwaves are produced inside the oven by an electron tube called a magnetron. The microwaves are reflected within the metal interior
What is mAh the unit of Phone Battery? An ampere hour or amp hour is a unit of electric charge equal to the charge transferred by a current of one ampere
What is Cultured Meat? Cultured meat is meat produced by in vitro cultivation of animal cells, instead of from slaughtered animals. It is a form of cellular agriculture. Cultured meat is produced using many of the same tissue engineering techniques traditionally
What is Anti-Glare Screen? An anti-glare screen is a screen which features a layer of coating that does not reflect light. Displays with anti-glare coating, whether it’s a smartphone, a monitor,
What is Silica Gel? What is Silica used for? Little packets of silica gel are found in all sorts of products because silica gel is a desiccant -- it adsorbs and holds water
What is Bulletproof Jacket made of? Bulletproof vests are modern light armor specifically designed to protect the wearer's vital organs from injury caused by firearm projectiles. To many protective armor manufacturers and
How EnChroma’s Glasses Correct Color-Blindness? Most people have three types of color-sensing cones in their eyes: red, green, and blue. The wavelengths of light that these three cones absorb have overlapping
How does Nitrous Oxide help an Engine perform better? When you heat nitrous oxide to about 570 degrees F (~300 C), it splits into oxygen and nitrogen. So the injection of
How does an Escalator works? The core of an escalator is a pair of chains, looped around two pairs of gears. An electric motor turns the drive gears at the top, which rotate the chain loops.
What is the reason behind having a vertical Exhaust system in a Tractor? Tractors are extremely important agricultural vehicles. These machines are ubiquitous across the globe and range from rather small
Why Cruiser Bikes have high Rake angle and Racing Bikes have low Rake angle? The caster angle or castor angle is the angular displacement of the steering axis from the vertical axis of a steered wheel in
What is Camera Pill and How does it work? Capsule endoscopy is a way to record images of the digestive tract for use in medicine. The capsule is the size and
How do Thunderstorms form? On a hot summer day the surface of the Earth is heated by the sun. The Earth's surface heats the air just above the surface through the
