在子弹冲击过程中，气凝胶表现出明显的应变率强化效应，吸收子弹动能的能力显著提高；
Aerogels display a remarkable strain rate strengthening effect when they are impacted by projectile, which could improve the energy absorption capability of aerogels.
DeGay先生说，现有的装甲能够抵挡子弹，但它太过于沉重，而它的贴身性则意味着子弹的冲击仍然可能造成骨折或内伤。
Existing armour stops bullets, says Mr DeGay, but it is heavy, and its snug fit means that the impact of a bullet can still cause broken bones or internal injuries.
这个蓝色的“子弹”每小时飞行500万公里(300万英里)，恰好能赶上激震前沿，此时冲击波因为星际物质的阻挡已经减速。
This interstellar "bullet," traveling over three million miles per hour (5 million km), is just catching up with the shock front, which has been slowed by plowing into interstellar material.
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