Frozen Hydrogen: What is it?

Frozen hydrogen has potential as a fuel source due to its high energy per pound. NASA scientists believe it could reduce fuel weight for launches by 80%, enabling larger payloads and saving money. Obtaining frozen hydrogen is difficult, requiring cooling to very low temperatures. Metallic hydrogen, which can be a gas, liquid or solid, is […]

Frozen sperm lifespan?

Sperm banks collect and freeze sperm for same-sex partners and couples with fertility problems. The viability of frozen sperm depends on the initial strength of the sperm, and some sperm may not survive freezing. Frozen semen should be used within 12 years for the best chance of success. Proper storage and thawing are crucial for […]

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